Saturday
May 25, 2013

# Homework Help: Math: Trigonometry

trig
which ser of lenths will form a triangle with greater area? 6ft,8ft, 10ft or 6ft,8ft,12ft...
Saturday, September 25, 2010 at 9:33pm

trig
4=log[7]2401
Saturday, September 25, 2010 at 11:38am

trig
Write an equation of a secant graph that has amplitude of 3, period of pi/2, is shifted to the left pi/4, and is flipped over the x - axis.
Friday, September 24, 2010 at 10:31am

math-trig
Use the double angle identities to find sin2x if sinx= 1/square of 17 and cosx<0 . Give exact answer.
Friday, September 24, 2010 at 12:28am

trig
Let µ be an angle in standard position that contains the point with co- ordinates (-5;-12) on its terminal side. Determine the values of the six trigono- metric functions of angle µ.
Thursday, September 23, 2010 at 12:02pm

trig
Solving Trig Functions: How Do You Solve For Sin 7.5 Using Half-Angle and Double-Angle Identities?
Wednesday, September 22, 2010 at 10:23pm

trig
HOW DO YOU SOLVE THIS PROBLEM, sin theta>0,cos theta>0
Tuesday, September 21, 2010 at 10:58am

trig
find the value of x in the equation sq.rt x plus 5 = sq.rt x + 45
Monday, September 20, 2010 at 9:27pm

trig
sinL=6/7 L(alfa)=?
Monday, September 20, 2010 at 9:35am

math (trig)
from the top of a bridge over the burlington canal, maria looks down at a sailboat at an angle of depression 15 degrees.the bridge is 18m above the water. calculate the horizontal distance from the bridge to the sailboat
Tuesday, September 14, 2010 at 7:38pm

trig
Sitting in your sailboat, you see a lighthouse 500 feet away. Looking up at a 20°angle, you see the light at the top of the lighthouse. How far off the ground is the light in the lighthouse? Round your answer to the nearest tenth.
Monday, September 13, 2010 at 11:37am

Calculus
(Another related rate question) A plane (alt. 4000ft) is flying west at 700ft/sec. A searchlight under its path, tracks it. How fast if the light pivoting when the plane is 1000ft east? --- Kind of similar to the lamp post question I posted earlier. I know dp/dt, 700ft/sec. We...
Sunday, September 12, 2010 at 2:23pm

trig
Bob is driving along a straight and level road straight toward a mountain. at some point on his trip he measures the angle of elevation to the top of the mountain and finds it to be 23 degrees 42 minutes. he then drives 1 mile more and measures the angle of elevation to be 30 ...
Sunday, September 12, 2010 at 12:50am

trig
a wheel has a diameter of 18 inches and makes one full turn in 12 seconds and picks up a piece of gym how high off the ground is that piece of gum 18 seconds after the wheel picked it up
Saturday, September 11, 2010 at 1:21pm

trig
Find the distance between d(P1,p2) between the points P1 and P2 P1= (-1,-5), P2 = (6, -6) and i also need help with this problem x 8 ____ - ____ x^2-64 64-x^2
Thursday, September 9, 2010 at 1:32am

algebra trig honors
x squared minus four thirds x plus four over nine
Wednesday, September 8, 2010 at 7:36pm

trig
2tanx = 3=0
Wednesday, September 8, 2010 at 2:30pm

trig
If cot(x) = −19/18 , where x is in Quadrant IV, what is the exact value of sin(2x)?
Saturday, September 4, 2010 at 3:02am

physics (last problem)help
On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 5.40 m from your sailboat. When you are 3.10 m below the surface, the top of the sailboat mast appears to you to be in a direction 40.0° from vertical. Calculate the height of the mast part two From ...
Friday, September 3, 2010 at 2:56pm

ALGEBRA 2 W/TRIG
What is the slope for y=3/4x+1?
Thursday, August 26, 2010 at 9:44pm

trig
How do I find 2 tan squared time x = sec times x -1
Thursday, August 26, 2010 at 11:09am

calculus
The problem is to evaluate the integral 10secxtanx dx, from -1/7 pi to 3/8 pi. What I've done so far is evaluated the integral since secxtanx is a trig identity, so the integral of that is secx. I took out the 10 since it was a constant which leaves me with 10[sec(3/8)pi...
Wednesday, August 25, 2010 at 10:29pm

trig
What are the maximum and minimum values of 6cos(πt/26)?
Wednesday, August 25, 2010 at 9:24pm

ALGEBRA 2 W/TRIG
identify the equation of the line through (-2, 1) and parallel to y = 3x + 1
Wednesday, August 25, 2010 at 9:16pm

ALGEBRA 2 W/TRIG
identify the equation of the line through (-7, 10) and horizontal
Wednesday, August 25, 2010 at 9:16pm

trig
when finding consecutive odd integers why would you use n, n+2 and n-2 rather than n, n+2 and n+4
Wednesday, August 25, 2010 at 8:03pm

trig
find all sets of three consecutive odd integers whose sum is greater than 54 and less than 63
Wednesday, August 25, 2010 at 6:44pm

trig
Given tan A = .29 find the angle A in degrees. Round your answer to the nearest hundredth.
Tuesday, August 24, 2010 at 11:53am

Trig
verify following trigonometric identities. 1/sec0tan0 = csc0 = sin0
Tuesday, August 24, 2010 at 8:30am

trig
Given that tan 45=1, use tan(x+y) to show that tan 22.5= /2 - 1. (/is square root sign
Tuesday, August 24, 2010 at 3:40am

Square root of 300
Sunday, August 15, 2010 at 11:45am

maths trig
if p and q are the solutions of the equation atanx+bsecx,show that tan(A+B)=2ac/(a^2-c^2)
Saturday, August 14, 2010 at 11:39am

algebra 2 logs and trig
log(base 2)cotx - 2log(base 4)csc2x = log(base 2)cosx the answer should be x = pi/3, 5pi/3 not sure how to work it out though, any help? I tried canceling the bases but that led to a dead end.
Friday, August 13, 2010 at 11:07am

trig
Solve for all real values of x 3cos2x - 5cosx = 1
Thursday, August 12, 2010 at 10:13pm

trig
find exact value of cos(23pi/6)
Monday, August 9, 2010 at 9:39am

Inverse Functions & Trig. Equations
7. Evaluate sin[sin^-1(-1/2)]. a. 1/2 b. ð /6 c. -1/2 d. - ð /6 8. Evaluate cos[tan^-1(5/12)]. a. 12/13 b. 12/5 c. 5/12 d. 5/13 9. Evaluate cos[sin^-1(-3/5)]. a. -4/5 b. 5/4 c. 4/5 d. -3/4
Saturday, August 7, 2010 at 4:21am

trig
8. Write the equation for simple harmonic motion given that the amplitude is 5 centimeters and the frequency is 2/ ð cycles per second. Assume that the maximum displacement occurs when t = 0. a. y = 5sin4t b. y = 5cos2t c. y = 5cos4t d. y = 5sin2t 9. Write the equation for...
Friday, August 6, 2010 at 9:35pm

trig
Sin60
Thursday, August 5, 2010 at 2:05pm

trig
A missile is fired at an angle of 85 from the horizontal. At one point, its speed was 1,000 mph. Find its horizontal velocity in miles per minute
Wednesday, August 4, 2010 at 4:21pm

trig
on the same set of axes sketch the graph of f(x)=sin2x and g(x)=2sin x for x (o,180 degrees)
Sunday, August 1, 2010 at 9:29am

trig
list the period, amplitude, interval, and phase shift of: g(t)=5/2sint-pi i know the amplitude is 5/2 but everything else im not getting. the regular formula for these is y=Asin(Bx+C)+D A is the amplitude B is the period which you use (2pi/b) to solve. C is just a constant i ...
Wednesday, July 28, 2010 at 3:30pm

trig
Calculate the amplitude, period, phase shifts, and 5 points for y=2-sin(2piex/3)
Tuesday, July 27, 2010 at 10:28pm

trig
Let Q be an acute angle such that sinQ=.6. Find the values of the following using Trig Identities: cosQ and tanQ
Tuesday, July 27, 2010 at 10:06pm

trig
A Ferris wheel has a radius of 15 meters and takes 20 seconds to complete one full revolution. The seat you are riding in, takes 7 seconds to reach the top which is 35 meters above the ground. Write a sine or cosine equation for the height of your seat above the ground as a ...
Monday, July 26, 2010 at 11:32pm

Math-Pre Cal & Trig
A pendulum swings uniformly back and forth, taking 2 seconds to move from the position directly above point A to the position directly above point B. . . . . _______________._______________ A . B . (SIMPLE DRAWING) The distance from A to B si 20 centimeters. Let d(t) be the ...
Sunday, July 25, 2010 at 9:38pm

Trig
a) Determine the equation of a sine function that would have a range of {y€R|-7<(or equal) Y <(or equal) 1} and a period of 135degrees. b) determine the cosine function that results in the same function an part (a). Any help provided will be greatly appreciated.
Saturday, July 24, 2010 at 4:57pm

Trig
Determine the roots of the function f(x)=-2cos(3x)-1. Can you please show all the work so it is easier to understand, thank you!!
Saturday, July 24, 2010 at 4:36pm

Trig
I was doing this problem sin^-1 (4/5) if I'm not mistaking most teachers would say that .927295218 radians is wrong is just an estimation and therefore is wrong so I'm justified in putting this on my paper instead right ( ln( (4i +3)/5)/i ) right? She couldn't mark...
Friday, July 23, 2010 at 1:20pm

Physics
I have to design a procedure which will allow me to calculate the applied force(thrust) of a stomp rocket. We are allowed to use tools to find measurements. So far, I have calculated the height that the rocket reached (22.5) m using trig. (right angle triangle where one angle ...
Thursday, July 22, 2010 at 3:35pm

Trig
Even if you have no idea what on earth any of this stuff is but have a vast knowledge in complex number system you might be able to help me as this is what I believe is preventing me from making sense of this stuff... Ok I'm trying to understand how you would know that sin...
Thursday, July 22, 2010 at 3:15pm

Trig
a sailor out in a lake sees two likght houses 11km apart along the shore and gets bearings of 285degrees from his present position for light house A and 237degrees for light house B. From light house B, light house A has a bearing of 45degrees. How far to the nearest kilometre...
Wednesday, July 21, 2010 at 10:02pm

Trig
A sail boat on lake Huron leaves Southampton and sails 20degrees west of north of 20km. At the same time, a fishing boat leaves Southampton and sails 30degrees west of south for 15 km. At this point, hot far apart are the boats, to the nearest metre? ( the answer is 4139m, but...
Wednesday, July 21, 2010 at 7:07pm

Math Trig
A coast guard patrol boat is 14.8 km east of the Brier Island Lighthouse. A disabled yacht is 7.5km south of the lighthouse. a) How far is the patrol boat from the yacht, to the nearest tenth of a kilometer? b) At what angle south of due west, to the nearest degree, should the...
Wednesday, July 21, 2010 at 4:24pm

Math(trig)
Peggy’s Cove Lighthouse, in Nova Scotia, is possibly the most photographed lighthouse in the world. From the observation deck, the angle of depression of a boat is 6º. How far is the boat from the lighthouse, to the nearest metre?
Wednesday, July 21, 2010 at 2:53pm

Math(trig)
A 10m flagpole casts an 8m shadow at the same time of day as a building casts a 60m shadow. How tall is the building?
Wednesday, July 21, 2010 at 2:50pm

trig
A 10m flagpole casts an 8m shadow at the same time of day as a building casts a 60m shadow. How tall is the building?
Wednesday, July 21, 2010 at 2:14pm

Trig-sine, cosine law
Two fire stations,P and Q,are 20 km apart. A ranger at station Q sees a fire 15.0 km away. If the angle between the line PQ and the line from P to the fire is 25degrees, how far to the nearest tenth of a kilometre, is station P from the fire?
Tuesday, July 20, 2010 at 7:55pm

Trig
From two different tracking stations, a weather balloon is spotted from two angles of elevation, 57degrees and 83 degrees, respectively. The tracking stations are 15 km apart. Find that altitude of the balloon. Any help given will be greatly appriciated
Tuesday, July 20, 2010 at 4:22pm

trig
Plot the point and then find three representation of the point (3,2pi/3)
Monday, July 19, 2010 at 9:37pm

trig
answer of 17(3/5 * 2/3 - 1 divided by 17/8)
Friday, July 16, 2010 at 9:50am

trig
Find the values of the followin: (cot30deg) (sec45deg)
Friday, July 16, 2010 at 8:49am

trig
In a right triangle the side opposite the 30 degree angle is 5 meters.Find the adjacent side.
Friday, July 16, 2010 at 8:44am

trig
In a right triangle the hypotenuse is 100meters,and alpha, the angle adjacent to the shorter leg. If cos alpha=1/2, find the measures of the two legs.
Friday, July 16, 2010 at 8:39am

trig
The terminal side of angle alpha is in the fourth quadrant, and sin alpha=-1/2, find the values of the other functions.
Friday, July 16, 2010 at 7:49am

trig
can you help me find cos 2x if sin x = -12/13 (x in 3rd quadrant)
Wednesday, July 14, 2010 at 9:20am

trig
explain the methid used to get the answers 45m*cos33=37.7m and 45m*sin33=24.5
Monday, July 12, 2010 at 10:33am

trig
two trees r on oposite sides of a river..a cable is atatched at the top of one treen the bottom of another.the length of the cable is 45m the angle is 33 degrees ..q:wats the horizontal distance bewen the two trees
Monday, July 12, 2010 at 7:39am

Trig
Cos(21)cos(9)-sin(21)sin(9)
Friday, July 9, 2010 at 2:23pm

trig
jet stream which is flowing at a rate of 80 miles per hour. It travels with the jet stream for 5 hours and then reduces its altitude, flying out of the jet stream for 4 more hours. The plane, while out of the jet stream, covered 550 miles less than it did during the 5 hours ...
Friday, July 9, 2010 at 10:30am

trig
Hi,how do I find both solutions of the equation cos0 = 0.35 between degrees 0 and 360? Many thanks
Friday, July 9, 2010 at 1:48am

trig
cotxcot2x-cot2xcot3x-cot3xcotx=1
Wednesday, July 7, 2010 at 9:03pm

trig
simplify cosecant (2(square root of 3) divided by 3
Monday, July 5, 2010 at 1:52pm

trig
evaluate the trigonometry function using its period as an aid cos(-7pi/3)
Saturday, July 3, 2010 at 2:04pm

trig
By what fraction of the period of f(x)=10 cos(7 x) has the graph of f(x) been shifted to obtain the graph of g(x)=10 cos(7x- pi/2). how do I approach this and solve for the fraction shift and the domain and range?
Friday, July 2, 2010 at 4:12pm

trig
the leg opposite the 50 degree angle in a right triangle measures 8 meters. find the length of the hypotenuse
Friday, July 2, 2010 at 11:14am

trig
What is the angle B? Given that A=46 degree b=4 c=8
Tuesday, June 29, 2010 at 3:59pm

trig
Find the 6 trigonometric function of teta if it's terminal side passes through the point(1,2)
Thursday, June 24, 2010 at 6:59am

trig
Solve for [0, 360) 2sinxcosx + cosx =0 2sinxcosx = -cosx 2sinx = -cosx/cosx sinx = -1/2 {210, 330) Is this correct?
Saturday, June 19, 2010 at 1:06pm

Maths 3u trig
If sinA = 1/3 and cosA<0 find the exact value of tan2A
Saturday, June 19, 2010 at 5:10am

trig
a vertical pole 3 meters tall casts a shadow 1.8 meters long. what is the angle of the elevation of rhe sun to the nearest minute?
Thursday, June 17, 2010 at 10:14pm

Calculus- continuity
Discuss the continuity of f(x)= sin x/x^2 - 9 That is, state where is it continuous/discontinuous and why. Here was my original answer. sinx is cont. because it's a trig function. It's cont. at -2pi, pi, -pi, and 2pi. x^2 is cont. because it's raised to a rational ...
Wednesday, June 16, 2010 at 7:12pm

trig
Write the following equation in standard form and identify the type of conic: 9y^2 - 4x^2 + 8x + 18y + 41 = 0
Monday, June 14, 2010 at 11:41pm

trig
the scores on a 100 pt test are normally distributed with a mean of 80 and a standard deviation of 6. a student's score places him between the 69th and 70th percentile. what is his score?
Thursday, June 10, 2010 at 2:27pm

trig
find the 5 other trig functions if cos(theta) = square root of 2/2 and cotangent is less than 0
Wednesday, June 9, 2010 at 7:04pm

trig
find the 5 other thrig functions if cos(theta) = square root of 2/2 and cotangent is less than 0
Wednesday, June 9, 2010 at 7:02pm

trig
A car travels around a circular track at 185 miles per hour. Is this a linear velocity or an angular velocity? Explain.
Wednesday, June 9, 2010 at 1:47pm

trig
Find the focus, directrix and axis of the parabola with equation x= 2y^2+3? Thank you for helping me!
Tuesday, June 8, 2010 at 3:15pm

trig
6^(x-36)=52 solve for x
Monday, June 7, 2010 at 11:00pm

trig
solve for x if x is in radians. cos2(x) + 4cos(x) = -3
Sunday, June 6, 2010 at 11:19pm

trig
find the exact value by using the appropriate half-angle identity: sin(5pi/12)
Sunday, June 6, 2010 at 11:07pm

trig
Regarding the trigonometric series, Why does cos start with a 1 and why are the powers of x even numbers Also for sin, why does sin start with an x and why are the powers odd?
Sunday, June 6, 2010 at 9:36pm

trig
If sec(4 = csc(6 ) and Theta is an angle in radian measure determine m angle theta
Tuesday, June 1, 2010 at 9:50pm

trig
hi, I have a placement test coming up tomorrow, and I'm pretty confident about all the stuff that's going to be there except trigonometry. I took trig two years back and I understood it very well. But now it's been so long and I can't even remember the basics. ...
Tuesday, June 1, 2010 at 12:41pm

trig
Two men on the same side of a tall building notice the angle of elevation to the top of the building to be 30o and 60o respectively. If the height of the building is known to be h =120 m, find the distance (in meters) between the two men.
Tuesday, June 1, 2010 at 2:10am

Math Trig
Find the Cartesian form of the parametric equation. x = (2a)(cot T) y = (2a)(sin^2 T) how? lol here's what i got y = (sin^2 T) y = (2a)y^2 y = 2a then? do the same for X? i'm stuck there
Monday, May 31, 2010 at 5:44pm

trig
Solve the equation sinθ=0.3 to the nearest tenth. Use the restrictions 90°≤θ≤180°.
Friday, May 28, 2010 at 12:20am

trig
If (-2,5) is a point on the terminal side of an angle theta, find the exact value of the six trigonometric functions of theta. Then find the actual measure of theta.
Thursday, May 27, 2010 at 10:00pm

trig
solve the equation tan^2 (theta) + tan (theta)=0 for the interval 0 is less than or equal to (theta) is less than 2 pie.
Wednesday, May 26, 2010 at 10:00pm

trig
Prove that sin(A+B+C+)cos(B+C)-cos(A+B+C)sin(B+C)=s​inA
Wednesday, May 26, 2010 at 9:40pm

trig
prove 1-cosB divided by 1+cosB= tan^2B/2
Wednesday, May 26, 2010 at 9:36pm

trig
Prove tanAsin2A=2sin^2a
Wednesday, May 26, 2010 at 9:33pm

algebra 2 / trig
what is the square root of negative 150?
Monday, May 24, 2010 at 6:57pm

Math Trig
Suppose that X is an angle in standard position and that X' is it's reference angle. If cosX = -4/ squareroot of 17. find the exact value of cosX' is it 4/square root of 17?
Monday, May 24, 2010 at 3:19pm

trig
Find all values of [theta] in the interval 0°<=X<= 360° that satisfy the equation cos2[theta]-cos[theta]=0
Sunday, May 23, 2010 at 8:37pm

calculus/Trig
Suppose you wish to express sin(3t) in terms of sint and cost. Apply the sum formula to sin(3t) = sin(t+2t) to obtain an expression that contains sin(2t)=sin(t+t) and cos(2t)=cos(t+t). Apply the sum formulas to those two expressions. Enter the resulting expression for sin(3t) ...
Sunday, May 23, 2010 at 4:01am

HELPPPPPPP (TRIG)
solve the equation 2 sec x- tan x = cot x for the interval 0 to 360 please:)
Thursday, May 20, 2010 at 9:26pm

HELPPPPPPP (TRIG)
4cos(x) 5=6sec(x)
Thursday, May 20, 2010 at 9:25pm

HELPPPPPPP (TRIG)
find, to the nearest minute, the solution set of 1- sin x = 3 cos^2 x over the domain 0 degrees to 360 degrees
Thursday, May 20, 2010 at 9:24pm

Trig
Find three additional polar representation of the point (-3, pie over 6) given in polar coordinates,using -2 pie <0 <2pie.
Thursday, May 20, 2010 at 8:42pm

Math (trig)
4cos(x)+5=6sec(x)
Thursday, May 20, 2010 at 8:35pm

trig
ind, to the nearest minute, the solution set of 4 cos x + 5 = 6 sec x over the domain 0 degrees
Thursday, May 20, 2010 at 12:17pm

trig
find, to the nearest minute, the solution set of 1- sin x = 3 cos^2 x over the domain 0 degrees to 360 degres
Thursday, May 20, 2010 at 12:16pm

trig
find, to the nearest minute, the solution set of 4 cos x + 5 = 6 sec x over the domain 0 degrees which is less than or eaual to x which is less than 360 degrees
Thursday, May 20, 2010 at 12:15pm

Trig
Solve the right triangle ABC using the given information: cos A = 2/5 ; c = 15
Wednesday, May 19, 2010 at 6:14pm

trig
Find the values of the six trigonometric functions of an angle 0 in standard position whose terminal side passes through point P. P(4, -3)
Wednesday, May 19, 2010 at 5:38pm

trig
I need help with finding the amplitude, period, and the interval. y=4-3cos(x-pi)
Tuesday, May 18, 2010 at 10:17pm

trig
find to the nearesr degree, all values of x between 0 degrees and 360 degrees that satisfy the equation 2sinx + 4 cos 2x =3
Monday, May 17, 2010 at 10:38am

trig
Find, to the nearest degree, the solution set of 3sin^2x = 5 cosx+1 over the demain {x|0 degrees < or = to x which is < 360 degrees}
Monday, May 17, 2010 at 10:36am

trig
solve the equation 2 sec x- tan x = cot x for the interval 0 to 360
Monday, May 17, 2010 at 10:33am

Trig
8 csc theta - 2=10 + 2 csc theta I can't do it. :S
Sunday, May 16, 2010 at 11:56am

trig
verify: cos(x)+sin(x)tan(x)=sec(x)
Sunday, May 16, 2010 at 11:40am

Algebra 2/trig
How would I calculate the following function value? tan = 29degrees 36feet
Saturday, May 15, 2010 at 1:00pm

Trigonometry
Usa a right triangle to write each expression as an algebraic expression. Assume the referenced angle is theta, and x is positive and in the domain of the given inverse trig. function. Label the triangle. 1. sec^sq(tan^-1x) 2. sin(arccot x/(sqrt)1-x^2)
Wednesday, May 12, 2010 at 11:37pm

trig
my last question was supposed to say 0 degrees instead of ) sorryyy
Wednesday, May 12, 2010 at 12:14pm

trig
find, to the nearest degree, the solution set of 4 cos^2x-1=0 in the intervak between )degrees and 360degrees.
Wednesday, May 12, 2010 at 12:12pm

Trig
Given 2secant^2 (theta) + 1 = 5 secant (theta), solve for (theta), to the nearest degree, in the interval 0 degrees is greater than or equal to (theta) which is less than 360 degrees
Wednesday, May 12, 2010 at 12:11pm

trig
For the given equation, solve for all values of (theta) to the nearest tenth of a degree. 2secant(theta)+10=0
Wednesday, May 12, 2010 at 12:07pm

trig
if P(-4,1) is a point on the terminal side of angle (theta), in standard position, then what is the exact value of csc (theta)?
Wednesday, May 12, 2010 at 12:05pm

trig
Please graph the following function: y = tan (2(theta) + (pi)) + 1
Tuesday, May 11, 2010 at 2:45am

Trig
A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right here is supposed to have a line through the middle of it, I think it means cosine or ...
Monday, May 10, 2010 at 12:54pm

Trig
A swimmer heads perpendicular to a 2-miles-per-hour current. His speed in still water is 1.8 miles per hour. Find the actual speed of the swimmer and his direction angle, 0 (the zero right her is supposed to have a line through the middle of it, I think it means cosine or ...
Monday, May 10, 2010 at 12:54pm

Trig
Nathan and Julia are walking along lines that form a 38 degree angle. If Nathan walks at 3.6 miles per hour and Julia walks at 4.1 miles per hour, how far apart will they be after 2 hours?
Monday, May 10, 2010 at 12:42pm

trig
TA and TB are two cables helping to brace a 500 ft radio tower, FT. If the angles which the cables make with the horizontal are 62 and 50 (degrees), find the distance between their anchor points
Monday, May 10, 2010 at 5:15am

trig
A sinusoid (sine curve) rises from a minimum value of y=-8 at x=0 to a maximum value of y=40 at x=50. Write a sine function for this curve
Monday, May 10, 2010 at 5:13am

trig
Rewrite 3pi/25 in degree measure. Round to three decimal places.
Sunday, May 9, 2010 at 9:59pm

trig
If cscx=2 and x greater 90 degrees and x less than 180 degrees, then sin x/2 =
Sunday, May 9, 2010 at 12:37pm

trig
if tan(2x+18)degrees = cot(4x-12)degrees
Sunday, May 9, 2010 at 10:20am

trig..
ctgx+cosx=1+ctgx*cosx
Saturday, May 8, 2010 at 12:13pm

Trig.
In right triangle ABC, C is the right angle and sinA=(radical 3/2). What is the value of csc B?
Saturday, May 8, 2010 at 11:07am

equation trig
cosx-sinx<1/2
Friday, May 7, 2010 at 12:35pm

equations trig
1) ctgx+cosx=1+ctgx*cosx 2) sin^4x+cos^4x=1/2 3) (sinx-cosx)^2=sin2x 4) sin^4x-cos^4x=7/2(sinxcosx) 5) sin^2x-sinxcosx+cosx-sinx=0
Thursday, May 6, 2010 at 8:02am

trig
Graph three periods of the function. (identify period and phase shift and intercepts) y = f(x) = √3/2 sin(2x) - 1/2 cos(2x) if you can't graph it can you at least get it into that simpler form which is graph able.
Wednesday, May 5, 2010 at 11:11pm

trig
sec^2x/tanx -(tanx) how to simplify
Wednesday, May 5, 2010 at 9:25pm

trig
sin(theta)cos(theta)sec(theta)csc(theta)​ How do I simplify
Wednesday, May 5, 2010 at 9:22pm

trig
(2-2i)^5 find the given power write answer in rectangular form
Wednesday, May 5, 2010 at 1:09pm

trig
find the primary solutions. 4cos^2x-3=0 and tanx-tan^2x=0.
Tuesday, May 4, 2010 at 9:04pm

Trig
(2-2i)^5 find the given power write answer in rectangular form
Tuesday, May 4, 2010 at 1:51pm

trig
use the calculator to find the trigonometric values. express your answers in ten-thousandths. sin 53 degrees 30 ft
Tuesday, May 4, 2010 at 12:19pm

Trig
Solve the equation in the interval [0•,360•] Csc theta = 1+cot theta
Tuesday, May 4, 2010 at 9:35am

Trig
Tan theta 12/5 ,pi <theta<3pi/2 Find sin 2theta
Monday, May 3, 2010 at 11:50pm

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