trigonometry
2,120 results, page 7

trigonometry
tanA  sin A /sin^2A= tan A / 1 + cosA Please prove this 
trigonometry
y = 4sin(x90)+3 Calculate interval of increase, interval of decrease, intercepts 
Trigonometry
If possible find a solution to 2 cos(theta)=0612. theta= 
Trigonometry
Given that cot x = 5/ sqrt 11 find csc x A  5/6 B  6/5 C  sqrt11/ 6 D  6/ sqrt11 
trigonometry
In triangle ABC, a=8, b=15, and m<C=40 degrees. Find the area of the triangle to one decimal place. 
Trigonometry
Can you please help me solve this trig equation for 0 ≤ x ≤ 2π? 9sin^2(x)6cos(x)10=0 Thank you! 
trigonometry. Math
In a triangle PQR, angle Q=50 degrees,PR=5CM, QR=4CM. find angle P? 
precalculus/trigonometry
Find a formula for the given linear function. The graph of h intersects the graph of y = x^2 at x = 2 and x = 4 
trigonometry
parameterize the portion of the unit circle that begins at the point (root2/2, root2/2) and ends at (0,1) 
trigonometry math help
If cos 20=m determine the values of the following in terms of m. (a)sin 250 (b)sin 20 thanks 
trigonometry
Prove that 2sin150*cos315*cos(90x)/sin(360x)cos(240)sin135=2 
trigonometry
If sin theta =a/b and theta lies in first quadrant, find all tratios. 
Trigonometry prove need help
Prove that (1sinb)/(1+sin2b)=tan^2(45b) plz the b means beta??? 
Trigonometry
For which angles in degrees if any, is sin A not equal to 1/csc A? Answer for 0 through 359 degrees. 
trigonometry
Find the angle of elevation, depression and the height of a building from the tip of another building with a distance of 1.2 km. 
Trigonometry
1.Find the missing values given that Ø in degrees=30. Can someone show me how to find sin 
Trigonometry
28. Find all solutions if 0° ≤θ <360°. 4sin2 (3θ)−3= 0 
trigonometry
Find an exact value for csc 11pi/12 How do I do this? I change it to 1/(sin 11pi/12) but then I'm stuck what to do.. Thanks 
Trigonometry
Write an equation of cotangent with period = 3pi, phase shift = pi, and vertical shift = 1 
Trigonometry
How to divide a right angled triangle into two isosceles triangle ? Kindly help 
trigonometry
Please solve this equation. As you write down the steps, please give me a description on what you did. y^3  16y^1/2 + 64 = 0 
Algebra 2 w/Trigonometry
How would you work the problem: 2 with the exponent of 4 minus 3 times 5 divided by 10 plus 1615 divided by 10? 
trigonometry
solve for 2cos2x=tan225 and, solve using transformation method cosx+ root2sinx= root3 THANKS! 
trigonometry
find all degrees solutions to the following equation: sin (A + 50 degrees)=1/square root 2 
Trigonometry
If sin A=3/5 and cosB = 24/25 and angle A and angle B are both in quandrant 1. What is sthe exact value of cos (AB)? 
Math
Trigonometry Identities problem: Prove the following; (tan^2x)(cos^2x) = (sec^2x  1)(1sin^4x) ÷ (1+sin^2x) 
trigonometry
The wheels of a car have radius 11 in. and are rotating at 800 rpm. Find the speed of the car in mi/h. mi/h 
TRIGONOMETRY
Suppose tan theta=15pi/18 is less than theta 3pi/2 , what are the other trigonometric functions? 
Trigonometry
If Cot θ = Square Root of 15/7, use the fundamental identities to find Cosθ > 0. 
Trigonometry
If 5cosA+3=0 and 180(degrees)<A<360(degrees) Determine 1. Tan^2A And 2. SinA over cosA 
math trigonometry
Prove that 2sin150*cos315*cos(90x)/sin(360x)cos(240)sin135 
Trigonometry
An automobile tire has a diameter of 36 inches. How many revolution will the wheel make as the automobile travel 1 mile 
Trigonometry
If the terminal side of angle theta passes through point (3, 4), what is the valuse of sec theta? 1) 5/3 2) 5/3 3)5/4 4)5/4 
Trigonometry
Determine all the values of theta,0 degrees < or = theta < 360 satisfying csc(x)<0 and cot(x)>0 
Trigonometry
Evaluate arctan(cot10Pi/9) sec(arccos(1/6) csc(arcsec(5/3) sin(2 arccos(sqrt5/5) 
Trigonometry
If 5cosA+3=0 and 180(degrees)<A<360(degrees) Determine 1. Tan^2A And 2. SinA over cosA 
Trigonometry
If 5cosA+3=0 and 180(degrees)<A<360(degrees) Determine 1. Tan^2A And 2. SinA over cosA 
trigonometry
If a locomotive wheel with a diameter of 15 meters rolls 11.25 meters,through how many degrees and minutes does it turns? 
trigonometry
determine the distance between the ladder and the house when its angle of elevation is 63.5 degree and the length of the ladder is 20 ft? 
Trigonometry
simplify: 2sin35 deg times cos35 deg. 
Trigonometry
[sinxcosx/(1+cosx(][sinx/(1cosx)]= (cotxcosx+cscx) 
trigonometry
If sine of an angle is ¼ and cosine of an angle is 15/4.. find cosecant. 
Trigonometry
Show that cos M(1/cosMcosM) is equal to sin^2M 
Trigonometry
Where does the graph of y = tan theta intersect the graph of y = 1 where n is any integer? 
trigonometry
in triangle abc, m<c=90, bc=20, and ba=40. a.find sine a b.find measure of <a 
trigonometry
Graph the function f(x)=1/2sin2x+1 on the interval [2pi, 2pi] 
Trigonometry
Determine sin x  tan x  sin x=0 for 0 ≤ x < 360° 
Trigonometry
Can you verify this identity? cos(4x)cos(2x)= (1/2)[cos8x+cos2x] 
Trigonometry
Solve: 2cos^2 theta  3cos theta+ 1= 0 interval [0, 2ð) 
Trigonometry
Solve triangle ABC: B= 60 degrees, C= 90 degrees a= 4 feet 
trigonometry
{1/(sec x  1)}  {1/(sec x +1)} = 2 cot^2 x solve using identities? 
Trigonometry
Prove that cos(A+B)cosC  cos(B+C)cosA = sinBsin(CA) 
Trigonometry
IfA=340°, prove that 2sinA/2 = (v1+sinA) + (v1sinA) 
Trigonometry
how many solutions does the system {y = x, y = tan x have? what is sec^1 (secð)? 
Trigonometry
Write tan(pi/4  Beta) as a function of Beta only. 
Trigonometry
Write cos (lambda + pi/3) as a function of lambda only. 
Algebra 2/ Trigonometry
If cos θ = c, then sin²θ/2 equals 1) 1c/2 2) 1+c/2 3) 1c/c+c 4) 1c/4 
Trigonometry
Solve tan2A  2tanA = 1 for 0º≤A≤360º. 
trigonometry 28
In triangle ABC , if angle c=90°,then prove that sin^2 A+sin^2 B=1. 
TRIGONOMETRY
Express tan theta in terms of cosec theta 
Trigonometry
A=30 degrees, a=9 and b=8. Find the missing sides/angles. I did cos39=x/8 and reduced that to 8cos39=x. I got 6.92. But that's not a valid answer, so I can't go from there. What did I do wrong? Can you show me how to get the other answers as well, please? 
math(advanced algebra&trigonometry)
the expression cos4x cos3x + sin4x sin3x is equivalent to which one of the following is the answer: 1) sinx 2) sin7x 3) cosx 4) cos7x 
trigonometry
The function d=11cos6t describes a simple harmonic motion, where d is the distance(in meters) an object travels in t seconds. What is the time required for one complete cycle? 
trigonometry
please me to answer this question.because i will pass this coming monday march 21,2011.fin the diameter of three circle inscribed in a triangle. whose base is 50 cm. 
trigonometry
please me to answer this question.because i will pass this coming monday march 21,2011.fin the diameter of three circle inscribed in a triangle. whose base is 50 cm. 
trigonometry
please me to answer this question.because i will pass this coming monday march 21,2011.fin the diameter of three circle inscribed in a triangle. whose base is 50 cm. 
Trigonometry
Find all solutions of 4(sin(x)**2)8cos (x) 8 = 0 in the interval (2pi, 4pi). (Leave your answers in exact form and enter them as a commaseparated list.) 
trigonometry
how fast is a toy car moving in ft/min if it makes 20 laps in one minute on a circular track of radius 3 feet ? ( i need to know how to set this problem up) 
Trigonometry
Law of Sines sigma=27 deg 30' c= 52.8 a=28.1 Please show two solutions (beta1, beta2,...) due to acute and obtuse angles. Thank you so much for helping! 
College Algebra and Trigonometry
if x = ucos(pi/4)  vsin(pi/4) and y = usin(pi/4) + vcos(pi/4), find A, B and C so that, 5x^2  6xy + 5y^2 = Au^2 + Buv + Cv^2. Thanks, I really don't know what to do, I've already used almost 20 sheets of paper. Please help me. Thanks. 
PreCalculus (Trigonometry)
An angle in standard position such that sinÈ = 5/13. Determine the possible values of È, to the nearest degree. Answer: I got 23°. (How do I get the second one?) 
Math
I'm in gr 11 doing Trigonometry 14.2 = b   sin38 sin 67 a = 46   sin20 sin130 (10.7)^2 = (9.5)^2 + (12.4)^2  2(9.5)(12.4) cos <B I just need someone to explain this to me because I just don't get it... thank you for any help 
Trigonometry
How do I find all solutions to: tanx+3cotx=4? The answer choices are: a.) x=arctan3+nPi b.) x=arccot3+nPi 
Math
Trigonometry problem: The sides AB and AC of triangle ABC are of lengths 4 and 7 respectively. M is the midpoint of BC. AM is of length 3.5, Find the length of BC. 
trigonometry
A pilot is flying with an air speed of 185mph. Find the ground speed of plane and the direction of flight. 
trigonometry
Use identities to simplify each expression. 1) (sin2t) (cos5t) + (cos2t) (sin5t) 2) {1/(sec x  1)}  {1/(sec x +1)} = 2 cot^2 x 
Trigonometry
A side 2.8m long makes an angle of 25 degrees with the ground how high is the top of the slide above the ground . 
Trigonometry
Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal places. Please explain. 
Trigonometry
A bicycle with a 26inch wheel(diameter) travels a distance of 700 feet. How many revolutions does the wheel make? 
trigonometry
the bases of a trapezoid are 22 and 12 respectively. The angles at the extremities of one base are 65^ and 40^ respectively. Find the two legs 
Trigonometry
A bicycle is traveling at 20 feet/second. If the diameter of the wheel is 24 inches, what is the angular velocity in radians/second? 
trigonometry
the angle of elevations from the top of the tree to the point on the ground is 63 yards from its base 45degrees. How tall is the tree? 
Trigonometry
Johns eyes are 6 ft from the ground. He is standing 70 ft away from a tree. If the angle of elevation is 24 degrees, then how tall is the tree? 
Trigonometry
Graph the following functions .include two full periods .a)y=3cos(2x) and b)y=4sin(4x) on same graph 
trigonometry
a motor boat moves in the direction of N 38° E for 3 hrs at 20 mph. How far north and how far east does it travel? 
Trigonometry ??????
Solve the equation for 0≤ x ≤ 180 given tan(x) sin^2(x)=2tan(x) How do I do this? Thank you and Merry Christmas! :) 
trigonometry
what is the smalliest positive anglecoterminal of 61 degrees,501,632,1024,350,721,0.5 and 512 degrees? 
Trigonometry
A rocket is launched from a tower that is 200 feet high at 1000ft/sec at 48°. How far does the rocket travel? 
trigonometry
if tan theta= 1/2, find the exact values of the five remaining trigonometric functions for theta, which is acute 
trigonometry
The shadow of a vertical tower is 65 ft long when the angle of elevation of the sun is 35 degrees. Find the height of the tower 
math Trigonometry
If cos degree equals to 0.8641 What is Sin degree? I have no idea how to find this. Please help me. Thank you 
maths trigonometry
solve the equation (cos theta +1)(tan theta minus 1)=0 for solution between 0 and 2pii. 
maths trigonometry,
find all solutions between 0 and 2pii for (tan theta =1)and (cos theta =negative 1/2). 
Calc
Question: Using trigonometry, add these two vectors. 7m/s [N30E] and 2m/s [S17E]. THIS is my answer: 6m/s [N45E] is this the correct answer? 
trig
how come you get different answers if you take different paths in trigonometry? (when you choose to use sin, cos or tan) 
trigonometry
given triangle ABC with AB=7cm, BC=8cm and AC=9cm calculate 1. the size of the largest angle 2. the area of the triangle 
trigonometry
Find all the angles between 0 degrees and 360 degrees which will satisf y the equation: 5tan^2 y +5 tan y = 2 sec^2 y 
trigonometry
an automobile tire has a diameter of 36 inch.how many revolution will the wheel make an arc the automobile travels 1 mile (5280 A)? 
Trigonometry
What is the period of y = ã3sin (1/3xã1/3)? A, 6ƒÎ B. ã3ƒÎ C, 2ƒÎ/3 D. ƒÎ/3 What is tan^1 ã3/3? A. ƒÎ/6 B. ƒÎ/4 C. ƒÎ/3 D. ƒÎ/4 What is the frequency of y = tan (ƒÎ/3 x) ? A. 3 B. 1/6 C. ƒÎ/3 D. 1/3 What is the amplitude of y = 1/5 sin (ã... 
Trigonometry
√3 + 5cos⦸ = 3 cos⦸ Can someone please explain for me how to express the answer in radian measure? Thanks