Homework Help: Math: Trigonometry

Recent Homework Questions About Trigonometry

Trig
If the terminal side of theta in standard position contains the point (5,8). Find the exact value of tan of theta
Thursday, March 10, 2011 at 8:36pm

Trig
Given that theta is a quadrant 3 angle with cos of theta=-7radical65/65, determine tan of theta
Thursday, March 10, 2011 at 8:21pm

trig
if cot of theta is less than zero, and csc of theta is less than zero what quadrant is theta in?
Thursday, March 10, 2011 at 8:06pm

trig
if sin of theta is less than zero and cos of theta is greater than zero what quadrant is theta in?
Thursday, March 10, 2011 at 8:06pm

trig
if csc of theta is greater than zero and sec of theta is less than zero what quadrant is theta in?
Thursday, March 10, 2011 at 8:05pm

trig
if than of theta is greater than zero and cos of theta is greater than zero what quadrant is theta in?
Thursday, March 10, 2011 at 8:03pm

Algebra and Trig
Aldo has feet of fencing. He will use it to form three sides of a rectangular garden. The fourth side will be along a house and will not need fencing. What is the maximum area that the garden can have?
Thursday, March 10, 2011 at 1:16pm

trig
solve each equation for 0 less than or equal to x greater than 2ð. cot²x-cscx=1 thanks:) step by step please :)
Wednesday, March 9, 2011 at 9:04pm

Math (Trig.)
A boat sailing from A to B travels in a straight line until the captain realizes he is off course. The boat is turned through an angle of 60 degrees, then travels another 10 km to B. The trip would have been 4 km shorter if the boat had gone straight from A to B. How far did ...
Wednesday, March 9, 2011 at 7:47pm

Trigonometry
I have some trigonometric equations to do, but I'm pretty lost, and I have to get them done in a timely fashion, so any help would be much appreciated. "Solve the following trig equations. Give all the positive values of the angle between 0 degrees and 360 degrees ...
Wednesday, March 9, 2011 at 3:38pm

trig
I need to state the period and 2 consecutive asymptotes on the graph for the following questions. 1: y = -3 tan pi*x period: pi (?) asymptotes: ? 2: y = 2 sec 4x period: ? asymptotes: ? 3: y = csc (x/3) period: ? asymptotes: ? 4: y = 3 cot (pi*x/2) period: ? asymptotes: ? If ...
Wednesday, March 9, 2011 at 9:28am

trig
A surveillance satellite circles the earth at a hight of h miles above the surface. Suppose that d is the distance, in miles, on the surface of the earth that can be observed from the satellite. find an equation that relates to central angel (theta) to the hight h.
Tuesday, March 8, 2011 at 11:23am

Trig
What is the phase shift of y=6cos(6x+pi/2)?
Monday, March 7, 2011 at 11:24am

trig
tanx sin^2x capital sigma [0,2p]
Sunday, March 6, 2011 at 10:34pm

trig
give and exact value for cos(2pi/3)
Sunday, March 6, 2011 at 9:41pm

Trig
If = 58° and m = 120 in, what is the value of n to the nearest tenth of an inch?
Sunday, March 6, 2011 at 9:30pm

trig
with its arm fully extended to a length of 16ft, the maximum height that a man lift can reach is 18ft. The lowest height is 4ft, what is the position where the arm of the lift is horizontal. a) if a man gets on the lift and the arm is lifted through an angle 15degrees,what ...
Sunday, March 6, 2011 at 5:49pm

trig
if theta is an angle in standard position and B(-3,4) is a point on the terminal side of the angle, what is the value of sin theta?
Sunday, March 6, 2011 at 12:13pm

trig
Suppose the tangent of an acute angle in a right triangle is less than 1. How does the side opposite the angle compare to the side adjacent to the angle?
Saturday, March 5, 2011 at 6:07pm

trig
using the given point (9, squareroot 19) find the value of cosx
Friday, March 4, 2011 at 11:39am

Trigonometry
Solve the following trig equations. Give all positive values of the angle between 0 degrees and 360 degrees that will satisfy each. Give any approximate value to the nearest minute only. 3 sin è - 4 cos è = 2 Can you please help me with this one.
Thursday, March 3, 2011 at 11:14pm

Geometry/trig
How do I find the geometric mean between 12 and 2.4?
Thursday, March 3, 2011 at 10:56pm

Trigonometry
use the appropriate trig identity (sum and difference, half angle, double angle) to find the exact value. 1)cos 255 degrees 2) sin 165 degrees 3) tan 285 degrees
Thursday, March 3, 2011 at 7:55pm

trigonometry (please double check this)
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will satisfy each. give any approximate value to the nearest minute only. a.) ( I got confused doing this 1 can you help me with it.) 3 sin theta - 4 cos theta...
Thursday, March 3, 2011 at 5:34pm

trigonometry (please double check this)
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will satisfy each. give any approximate value to the nearest minute only. 1. sin2ƒÆ = (sqrt 3)/2 2. sin^2ƒÆ = cos^2ƒÆ + 1/2 3. ...
Thursday, March 3, 2011 at 6:32am

trig
Richard is flying a kite. The kite string makes an angle of 57 degrees with the ground. If Richard is standing 100 feet from the point on the ground directly below the kite , find the length of the kite string
Wednesday, March 2, 2011 at 11:16pm

trig
y=sin pie divied by 2 theta
Wednesday, March 2, 2011 at 10:38pm

trig
covert polar equation r = 6/(2-3sinè) to rectangular equation
Wednesday, March 2, 2011 at 3:53am

Trig
Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only work with one side of the equation
Tuesday, March 1, 2011 at 5:23pm

algebra/trig
solve: ln12x = 6
Tuesday, March 1, 2011 at 3:03pm

trig
if cos(pi/4) is sqrt2/2 i thought sec(pi/4) is 2/sqrt 2,but its just sqrt 2 . can some one please explain.
Sunday, February 27, 2011 at 5:19pm

Math (Trig)
a ferris wheel has a radius of 10m and is one meter above the ground. If the ferris wheel makes 1 revolution every 20 seconds, write an equation that gives the height above the ground of a person on the ferris wheel as a function of time if that person starts (t=0) 1/8th of a ...
Sunday, February 27, 2011 at 9:51am

algebra2/trig
the length of a rectangle is 2x+4/(x^2-9) and its width is 3/(x-3). express the perimeter of the rectangle as a single fraction in simplest form.
Saturday, February 26, 2011 at 11:21am

algebra2/trig
for what are value of k are the roots of 3x^2-6x+k=0 equal?
Saturday, February 26, 2011 at 11:19am

algebra2/trig
tina can paint a room in 8 hours, but when she and her friend emily work together, they can complete the job in 3 hours. how long would it take emily to paint the room alone?
Saturday, February 26, 2011 at 11:18am

trig
an art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with sting. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form?
Thursday, February 24, 2011 at 4:28pm

algebra 2
I have a question about two problems that I am trying to solve for my h.s. trig. class. The first one I believe is correct. the other i am lost. D(p)= 2000-60p S(p)=460+94p p is the price in dollars a) find those values of p for which demand exceeds supply 2000-60P > 460 + ...
Tuesday, February 22, 2011 at 6:46pm

trig
"Two points A and B on the circle x^2 + y^2 = 49 form a central angle of 30 degree with the radii draw to them. Find the length of the arc AB in term of pi?"
Tuesday, February 22, 2011 at 12:14pm

Pre-cal/Trig
(tan/(1+sec)) + ((1+sec)/tan) = 2csc (Show all work please.)
Monday, February 21, 2011 at 9:44pm

trig
Suppose that q is in standard position and the given point is on the terminal side of q. Give the exact value of the indicated trig function for q.
Monday, February 21, 2011 at 11:50am

Trig
find the exact value of the expression using the provided information. Find Tan (S+T) given that cos s=1/3 with s in quad I and sin T= -1/2 with T in quad IV
Saturday, February 19, 2011 at 11:21pm

Trig
find the exact value of the expression using the provided information. Find Tan (S+T) given that cos s=1/3 with s in quad I and sin T= -1/2 with T in quad IV
Friday, February 18, 2011 at 10:36pm

Trig
tan 75 (show all work please)
Friday, February 18, 2011 at 9:42pm

trig
How do I find the exact value of sin2x when secx is equal to the negative square root of three
Friday, February 18, 2011 at 5:00pm

Trig
find (s+t) given that cos s=1/3 with s in quad I and sin T=-1/2 with t in quad IV
Friday, February 18, 2011 at 1:43pm

trig
From two points each on the opposite sides of a river,the angles of elevations of the top of an 80ft. tree are 60 degree & 30 degree.the points & the tree are in the same straight line,which is perpendicular to the river.how wide is the river?
Thursday, February 17, 2011 at 3:35pm

trig
A BILLBOARD PAINTER HAS BEEN ASSIGNED THE TASK OF CHANGING THE ADVERTISMENT ON A 20-FT BILLBOARD,THE BOTTOM OF WHICH IS 15FT OFF THE GROUND.AFTER EXAMINING THE SITE, SHE IDENTIFIES TWO AREAS ON THE GROUNG UNDER THE SIGN THAT ARE STURDY ENOUGH TO SUPPORT HER LADDER. ONE ARE IS ...
Thursday, February 17, 2011 at 4:46am

trig
sin(-π) + cos 5π how to solve without a calculator. Please write steps and explain thank you
Wednesday, February 16, 2011 at 10:51pm

trig
cos θ = (2√(2)) / (3) sin θ = - (1/3) then what would the triangle look like, the placement of the sides on quadrant 1,2,3, or 4?
Wednesday, February 16, 2011 at 8:01pm

trig
how would I know what csc 450 degrees ? I know that csc is hypotenuse over opposite, but then when I graph this the opposite is the hypotenuse so how am i supposed to solve it?
Wednesday, February 16, 2011 at 5:20pm

Trig
The angle of elevation to the top of a building from a point on the ground is 39 degrees. From a point 50 feet closer to the building, the angle of elevation is 48 degrees. What is the height of the building?
Wednesday, February 16, 2011 at 10:02am

trig
verify the identity. cos2 x - sin2 x = 1 - 2sin2 x the 2's next to the sin and cos on the right sides are powers.
Tuesday, February 15, 2011 at 3:51pm

trig
A man standing 9 meters above the ground observes the angles of elevation and depression of the top and bottom,of the top of the monument in luneta 6 degrees and 50 minutes and 7 degrees and 30 minutes respectively.Find the height of the monument?
Tuesday, February 15, 2011 at 12:14am

trig
At 2 points 95 ft apart on a horizontal line perpendicular to the front of a building, the angles of elevation of the top of the building are 25 degrees and 16 degrees. How tall is the building?
Monday, February 14, 2011 at 5:50pm

trig
Cos theta= 1/3, find the remaining trigonometric functions of the acute angle theta
Monday, February 14, 2011 at 10:13am

TRIG
Solve this equation on the interval 0 θ < 2π. Round your answer(s) to two decimal places. 2 sin θ + 3 = 2 (smaller value) (larger value)
Sunday, February 13, 2011 at 8:03pm

college Trig
Solve this equation on the interval 0 θ < 2π. Round your answer(s) to two decimal places. 2 sin θ + 3 = 2 (smaller value) (larger value)
Sunday, February 13, 2011 at 7:09pm

college Trig
To find the distance from the house at A to the house at B, a surveyor measures the angle ACB, which is found to be 70°, and then walks off the distance to each house, 50 feet and 70 feet, respectively. How far apart are the houses? feet
Sunday, February 13, 2011 at 5:58pm

Math/Trig
Write a polynomial of the smallest degree with roots 1, -3, and 4.
Friday, February 11, 2011 at 1:44pm

trig
Find the altitude of an isosceles triangle whose base in 30 cm vertex angle is 75 degres
Friday, February 11, 2011 at 1:01am

trig
80 feet from the base of a tower the angle of elevation to the top is 36 degree find the height of the tower
Friday, February 11, 2011 at 12:57am

trig
find x in DMS if 2sinx-1=cscx
Thursday, February 10, 2011 at 9:30pm

Trig-Value of angle degree
For the angle degree 0, i don't understand how for sin it's 0 and then for cos it's 1 and then for csc it's undefined. How would I get that algebraically? wouldn't it be just a line so how would I get the different values?
Thursday, February 10, 2011 at 7:02pm

Trig
Are 120 and -240 coterminal?
Wednesday, February 9, 2011 at 5:19pm

trig
prove the identity sec^2x times cot x minus cot x = tan x
Friday, February 4, 2011 at 2:37pm

trig
Tan x cot x -1=1-sec x cos x
Thursday, February 3, 2011 at 3:38am

alg and trig
6x^3-5x^2+15x+5 / 2x^2-x+3
Wednesday, February 2, 2011 at 9:29pm

trig
how do you explain y=2 cos(1 half x)
Tuesday, February 1, 2011 at 3:41pm

Algebra 2/Trig
We just started logarithms and exponential functions, and I'm kind of getting the gist but not really. Here is what I tried on one of the homework problems: 2^X=4^X+1 1)2^X=(2^2)^X+1 2)x=x+1 3)0=1 or no solutions I wasn't sure what to do between steps 1 and 2. Thanks!!
Sunday, January 30, 2011 at 9:29pm

Pre-Calculus-Trig
A 40 foot high flagpole sits on the side of a hill. The hillside makes a 17 degree angle with horizontal. How long is a wire that runs from the top of the pole to a point 72 feet downhill from the base of the pole?
Sunday, January 30, 2011 at 8:06pm

Pre-Calculus-Trig
A straight road slopes at an angle of 10 degrees with the horizontal. When the angle of elevation of the sun (from horizontal) is 62.5 degrees, a telephone pole at the side of the road casts a 15 foot shadow downhill, parallel to the road. How high is the telephone pole?
Sunday, January 30, 2011 at 8:03pm

Pre-Calculus-Trig
A woman on the top of a 448 foot high building spots a small plane. As she views the plane, its angle of elevation is 62 degrees. At the same instant a man at the ground-level entrance to the entrance to the building sees the plane and notes that its an angle of elevation is ...
Sunday, January 30, 2011 at 8:00pm

Pre-Calculus-Trig
A surveyor stakes out points A and B on sides of a building. Point C on the side of the building is 300 feet from A and 440 feet from B. Angle ACB measures 38 degrees. What is the distance from A to B?
Sunday, January 30, 2011 at 7:57pm

Pre-Calculus-Trig
Two surveyors, Joe and Alice, are 240 meters apart on a riverbank. Each sights a flagpole on the opposite bank. The angle from the pole to Joe (vertex) to Alice is 63 degrees. The angle from the pole to Alice(vertex)to Joe is 54 degrees. How far are Joe and Alice from the pole?
Sunday, January 30, 2011 at 7:56pm

Pre-Calculus-Trig
A pole tilts 12 degrees from the vertical, away from the sun, casts a 34 foot long shadow on level ground. The angle of elevation from the end of the shadow to the top of the pole is 64 degrees. How long is the pole?
Sunday, January 30, 2011 at 7:52pm

Pre-Calculus-Trig
A boat travels for 8 kilometers in a straight line from the dock. It is then sighted from a lighthouse which is 6.5 kilometers from the dock. The angle determined by the dock, the lighthouse(vertex), and the boat is 25 degrees. How far is the boat from the lighthouse?
Sunday, January 30, 2011 at 7:50pm

Pre-Calculus-Trig
Two trains depart simultaneously from the same station. The angle between the two tracks on which they leave is 120 degrees. One train travels at an average speed of 45 mph and the other at 70 mph. How far apart are the trains after three hours?
Sunday, January 30, 2011 at 7:47pm

Pre-Calculus-Trig
A lighthouse keeper 100 feet above the water sees a boat sailing in a straight line directly toward her. As watches, the angle of depression to the boat changes from 25 degrees to 40. How far has the boat traveled during this time?
Sunday, January 30, 2011 at 7:44pm

Pre-Calculus-Trig
A road rises 140 feet per horizontal mile. What angle does the road make with the horizontal?
Sunday, January 30, 2011 at 7:40pm

Pre-Calculus-Trig
A pilot in a plane at an altitude of 22,000 feet observes that the angle of depression to a nearby airport is 26 degrees. How many miles is the airport from a point on the ground directly below the plane?
Sunday, January 30, 2011 at 6:19pm

Geometry/Trig.
Let angle A be and acute angle in a right triangle. Approximate the measure of andgle A to the nearest tenth of a degree. cos A = 0.11
Sunday, January 30, 2011 at 1:53pm

Geometry/Trig.
For acute angle Aof a right triangle, find tan A by using the 45-45-90 Triangle Theorem or the 30-60-90 Triangle Theorem. measure of angle A=45 degrees.
Sunday, January 30, 2011 at 1:43pm

trig
Given that sin x = - ã2/2 and that cos x is negative, find the other functions of x and the value of x. can you explain how this problem can be solved please.
Sunday, January 30, 2011 at 12:49am

trig
find the distance from the orgin to each of the following points .If your answer is irrational,leave it in radical form. a.(3,-7) b.(-4,6) c.(0,5) d.(6,0) e.(-2,-4) f.(0,0) my answers : what do they mean by leave it radical form a.sqrt 58 b.Sqrt 52 = 2sqrt 13 or should i just ...
Saturday, January 29, 2011 at 6:28pm

MATH: Pre-Cal/Trig
The length of a rectangular flower garden is 6 more feet than its width. A walkway 3 feet wide surrounds the outside of the garden. The total area of the walkway itself is 288 square feet. Find the dimensions of the garden.
Saturday, January 29, 2011 at 5:20pm

trig
convert to degrees, minutes and seconds 3pi/2 radians can u plz help
Thursday, January 27, 2011 at 4:55pm

trig
simplify (3x^2-5x+4)-(5x^2+7x-7)
Thursday, January 27, 2011 at 9:08am

Trig
The diameter of the wheels on your car (including the tires) is 25 inches. You are going to drive 305 miles today. Each of your wheels is going to turn by an angle of how many degrees.
Thursday, January 27, 2011 at 12:37am

trig
a plane is flying at an altitude of x with the distance at 800 meters with an angle of 70 degress. what equation would you use to solve. tan70= x/800 tan70= 800/x sin70= x/800
Wednesday, January 26, 2011 at 2:15pm

Trig
Boston is 200 mi away from NY. It takes me 1 hour less to drive to Boston when I drive 10 mi faster than my normal rate. What is my normal rate?
Tuesday, January 25, 2011 at 10:00pm

trig
sinx+cosxcot=csc
Tuesday, January 25, 2011 at 6:45pm

trig
What are the values of theta in the interval 0 less than or equal to theta is less than 360 that sastify the equation sin theta - 1/2 =0?
Tuesday, January 25, 2011 at 10:42am

trig
find all values of x on interval 0-2pi. (sin4x)(cos7x)=(cos4x)(sin7x) identities should be used.
Monday, January 24, 2011 at 2:56pm

Pre-Cal: Trig
The point (7,2) determines a position angle "t". Find the exact value of sin(t).
Sunday, January 23, 2011 at 11:54pm

Pre-Cal: Trig
The point (7,2) determines a poistion angle "t". Find the exact value of sin(t).
Sunday, January 23, 2011 at 11:53pm

trig
A kite is flying overhead at an angle of elevation is 28. If the kite string is 10m long, what is the horizontal that the kite is flying away from you?
Sunday, January 23, 2011 at 11:28pm

trig
To calculate the height of a cliff, a surveyor takes the following measurements. The cliff's shadow is 12m, while at the same time a meter stick has a shadow of 2m. Draw a diagram and find the height of the cliff.
Sunday, January 23, 2011 at 11:25pm

trig
given the point (x, 4/7) on the unit circle where x is less then
Saturday, January 22, 2011 at 9:37am

math (trig)
if cos 2 theta = -(1/3) and theta is in Quadrant 2, find sin theta, cos theta, tan theta, and draw triangle theta
Thursday, January 20, 2011 at 11:41pm

trig
If sin 2 theta = (2/5) in Quadrant 2, find sin theta, cos theta, tan theta, and draw triangle theta.
Thursday, January 20, 2011 at 11:29pm

Trig. Math
The mean score on a normally distributed exam is 42 with a standard deviation of 12.1. Which socre would be expected to occur less than 5% of the time? 1) 25 2) 32 3) 60 4) 67 -I know the answer is 67, but i dont know why .. PLEASE help!
Thursday, January 20, 2011 at 7:44pm

trig/precalc
a plane flies 810 miles form Franklin to Centerville with a bearing of 75 degrees (clockwise from north). then it flies 648 miles from centerville to rosemont with a bearing of 32 degrees. find the straight-line distance and bearing from rosemont to franklin.
Thursday, January 20, 2011 at 7:16pm

trig
True or false? If A and B are angles of a triangle such that A > B, then cos A > cos B.
Thursday, January 20, 2011 at 7:02pm

Trig
Find the exact value of sin75degrees+ sin15degrees.
Thursday, January 20, 2011 at 3:34pm

Trig
Solve:cos^2x=1 for 0 < x is less than or equal to 2pi
Thursday, January 20, 2011 at 3:34pm

Trig
Hi everyone, I have a WS due tomorrow, and would really appreciate some help. You are taking a ride on a Ferris wheel that is 100 feet in diameter and has a bottom point that is 10 feet above the ground. Suppose that the wheel rotates four times every minute and from your ...
Thursday, January 20, 2011 at 3:16pm

Trig
Solve: cos2x(2cosx+1) for 0degrees is less than or equal to x is equal to or less than 360degrees
Thursday, January 20, 2011 at 3:05pm

Math/Trig
Solve: sin x - 2sin x cos x = 0 for 0 is less than or equal to x is less than 2pi.
Thursday, January 20, 2011 at 3:02pm

Math/Trig
Solve: sin2 x = cos2 x for 0 degrees is less than or equal to x is less than 360 degrees.
Thursday, January 20, 2011 at 3:01pm

Math/Trig
Solve: 2 sin x - 1 = 0 for 0 degrees is less than or equal to x is less than 360 degrees.
Thursday, January 20, 2011 at 2:58pm

Trig
Verify:cos(360degrees-x)=cos x
Thursday, January 20, 2011 at 2:54pm

Trig
Verify that 7pi/6 is a solution to 2sin2x–sinx=1.
Thursday, January 20, 2011 at 2:52pm

Trig
Verify the identity: tanx/secx-1=secx+1/tanx
Thursday, January 20, 2011 at 2:51pm

Math/Trig
Solve: 2 cos2 x - 3 cos x + 1 = 0 for 0 is less than or equal to x is less than 2pi.
Thursday, January 20, 2011 at 2:39pm

Math/Trig
Find the radius of a circle with a central angle of pi/7 and a length of the intercepted arc equal to 7.7 cm. Round your answer to the nearest tenth.
Thursday, January 20, 2011 at 2:38pm

Math/Trig
Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth.
Thursday, January 20, 2011 at 2:37pm

math trig identities
a)cos4x-sin4xcot2x=-1 b)1+sinx+cosx/1+sinx-cosx=cot(x/2) i tried to ask my teacher but she doesnt know please help me!
Thursday, January 20, 2011 at 11:03am

trig
cos A = -4/5 for angle A in Quadrant II, find sin 2A
Thursday, January 20, 2011 at 2:55am

trig/functions
what does y=2 sin (x-pi/ .5) -1 look like on a graph with the 3 phases of the function?
Wednesday, January 19, 2011 at 10:50pm

trig
the question is: given sec x = 4, tan x < 0, find sin(2x), cos(2x)and tan (2x)
Wednesday, January 19, 2011 at 6:40pm

trig
i have to find a & c, b=2.489*10 to the nineth power and i have one degree 25
Tuesday, January 18, 2011 at 9:10pm

trig
A ladder leans against a house at a point 19 feet high. The ladder is 25 feet long. What is the measure of the angle formed by the ladder against the house?
Monday, January 17, 2011 at 10:29pm

trig
is there a lowest or least cosine of a triangle with sides of 4,5,and 6? such as: .78, .72...
Monday, January 17, 2011 at 10:08pm

Math/Trig
Find the area of triangleABC with B=47.6degrees, a=3.6, and c= 9.7. Round your answer to the nearest tenth.
Monday, January 17, 2011 at 4:04pm

Math/Trig
Find the radius of a circle with a central angle of pi/7 and a length of the intercepted arc equal to 7.7 cm. Round your answer to the nearest tenth.
Monday, January 17, 2011 at 3:29pm

trig
sorry -- here it is simplify this expression : (x^3 y)/(y^(1/2) x^(-2) ) when x is not = 0, and y is not equal to 0 thank you
Monday, January 17, 2011 at 3:39am

trig
(x^3 y)/(y^(1/2) x^(-2) )
Monday, January 17, 2011 at 3:36am

trig
Ido not understand why the rt triangel was in ratio of 1:√3:2 in Sue's question where in triangle abc c isthert angle and sin a √3/2 - find csc b-please explain where the 1 comes from
Monday, January 17, 2011 at 3:20am

Math/Trig
Find the area of the sector, given a central angle of 55degrees and a radius of 5.7 in. Round your answer to the nearest tenth.
Sunday, January 16, 2011 at 4:29pm

Math/Trig
Find the length of the intercepted arc with radius 2.5 cm and a central angle of 95degrees. Round your answer to the nearest tenth.
Sunday, January 16, 2011 at 4:28pm

trig
When the sun's angle of elevation is 30 degree the shadow of a post is 6 ft longer than when the angle is 45 degree. find the height of the post
Sunday, January 16, 2011 at 2:33am

Math/Trig
Find the linear velocity of an object, 3 cm away from the center, rotating on a circular object with an angular velocity of 0.56 rad/sec. Round your answer to the nearest tenth.
Friday, January 14, 2011 at 1:24pm

Math/Trig
Find the angular velocity of an object, rotating on a circular object, moving through 9.7 revolutions in 11 seconds. Express your answer in rad/sec and round your answer to the nearest tenth.
Friday, January 14, 2011 at 1:22pm

Math/Trig
Find the area of a sector of a circle with a radius of 3 m and a central angle of 125degrees.
Friday, January 14, 2011 at 1:06pm

Math/Trig
The following is a table for the maximum temperature per month, for Boulder, CO Month|° F Jan:45.1 Feb:48.2 Mar:53.8 Apr:62.8 June:71.6 July:81.5 Aug:85.1 Sept:76.6 Oct:66.7 Nov:52.9 Dec45.5 Find the sinusoidal function that models this data. How do I do this ?
Friday, January 14, 2011 at 11:47am

Math/Trig
The average temperature, in °F, for Atlanta, GA is modeled by the sinusoidal function y = 18.25 sin(pi/6 t - 2.09) + 61.15 where t is the time in months and January is t = 1. What is the average temperature for the month of February? How do I do this problem ? Please Help
Friday, January 14, 2011 at 11:00am

Algebra 2 Trig Honors
logof3(x-1)+ logof3(3x-1)=2
Thursday, January 13, 2011 at 7:06pm

math/trig
I have two questions as I review for a test tommorow, any help is much appreciated!! Solve: 1) 4sin^2x=2cosx+1 2) cscx+cotx=1
Thursday, January 13, 2011 at 6:24pm

Math/Trig
Given A=56degrees, C=61degrees, and b=10.5, solve triangle ABC. If no triangle exists, explain why. If two solutions exist, write both. Round your answer to the nearest tenth
Thursday, January 13, 2011 at 2:04am

Help please Trig
Given sinθ=0.76, find θ in degrees to the nearest tenth.
Wednesday, January 12, 2011 at 7:39pm

Math/Trig
Find the length of the intercepted arc, given a central angle of 3pi/5 and a radius of 4.5 cm. Round your answer to the nearest tenth.
Wednesday, January 12, 2011 at 7:30pm

Trig/Math
f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ?
Tuesday, January 11, 2011 at 9:18pm

Trig/Math
3. f(x)=1/3sin(2/3x-π/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function please.
Tuesday, January 11, 2011 at 5:51pm

Trig
f(x) = -cos(3x + pi). Find the amplitude, period, and phase shift of the function.
Monday, January 10, 2011 at 7:48pm

Trig/Math
Write the equation of the cosine function with an amplitude of 1, a period of 3pi/7, a phase shift of -pi/5, and a vertical shift of 2 units down.
Monday, January 10, 2011 at 6:25pm

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