299 Answered Questions for the topic Trigonometric Functions

Trigonometric Functions Trig Idenity

05/02/16

trigonometric functions

Hi,   Am having trouble with this question and any help would be greatly appreciated.   The heights of two different robot arms (in cm) at time t (in seconds) are given by   y1... more
Trigonometric Functions Trigonometry Math Help Alegbra 2

05/01/16

Find sin theta if tan theta = sqrt3 / 3, and falls in quadrant 2

Answer choices: A) sin theta = -1/2 B) sin theta = 1/2 C) sin theta = sqrt3/2 D) sin theta = - sqrt3/2
Trigonometric Functions Trigonometry Math Help Alegbra 2

04/29/16

Please determine the amplitude, period(in hours), and determine the mid-line (write in an equation)?

At midnight the water at a particular beach is at high tide. At the same time a gauge at the end of a pier reads 10 feet. Low tide is reached at 6 AM when the gauge reads 4ft.
Trigonometric Functions

04/16/16

Use the half angle formulas to determine the exact values of the sine, cosine, and tangent of the angle

pi/12   
Trigonometric Functions

04/16/16

Find the exact solutions of the equation in the interval [0,2pi) enter answers in comma separated list

sin2x+sinx=0 
Trigonometric Functions Range

04/12/16

How to find the range of the function

y=5+3sin(2(x+pi))
Trigonometric Functions

04/03/16

Use inverse functions

2 cos^2 x +7 sin x =5
Trigonometric Functions

04/03/16

Use inverse functions

2sin^2 x+11 cos x=7
Trigonometric Functions

03/27/16

use the given information to find the values of the remaining five trigonometric functions

cot(x)=(1/2), π<x<(3Π/2)  
Trigonometric Functions

03/23/16

a unit circle has a radius of 1 unit. explain why one complete rotaion around a unit circle is a distance of 2pi

trigonometric funtions
Trigonometric Functions Trigonometry Angles Sine

03/10/16

TERMINAL SIDE: lines & trigonometric functions

Find sin (angle) if the terminal side of (angle) is in the third quadrant on the line y=1/2x
Trigonometric Functions

03/06/16

Sin -1 .54

same as the question above
Trigonometric Functions

03/06/16

Cos -1 (- sqrt 2/2)

same as the question above
Trigonometric Functions

03/06/16

Sin -1 (-1/2) in radians

Sin -1 (-1/2)
Trigonometric Functions Trigonometry Word Problem

03/06/16

Trigonometry Word Problem

Suppose the depth of the tide in a certain harbor can be modeled by y=23 + 4 cos (pi/6 x t), where y is the water depth in feet and t is the time in hours. Consider a day in which t=0 represents... more

03/05/16

Write an equation of a Ferris wheel

Problem: You are about to begin your ride at the very bottom of the ferris wheel, and rotate counter-clockwise from there. Write a possible equation of the graph with these details: Diameter is... more
Trigonometric Functions

02/29/16

Solve trigonometric equation

Tan^-1 2x = sin^-1x please give exact answers
Trigonometric Functions

02/18/16

find the value of all other five trigonometric functions from the given functions sinx=5/13, cosx>0 and cosx=-4/5,sinx>0. thanks!

find the value of all other five trigonometric functions from the given functions sinx=5/13, cosx>0 and cosx=-4/5,sinx>0. thanks!
Trigonometric Functions

02/15/16

side 10 with 80 degree ad missing side

Its a right triangle with the one side 10 and the on degree of 10 and trying to find the missing angle  
Trigonometric Functions

02/07/16

find all the values of theta, if theta is in the interval [0 degrees, 360 degrees) and has the given function value of cos theta: square root of 3 over 2

 cos theta = square root of 3 over 2 
Trigonometric Functions Cosine

01/28/16

Trigonometric equations

if inverse cosine of x + inverse cosine of y = pi/2 show that x^2 + y^2 = 1
Trigonometric Functions Word Problem

01/19/16

Trig question

If f(x)=x^2    Find:     f(x+h)-f(x-h)                -------------------?(that's a fraction btw)                       2h   Please help!! Iv'e tried to solve this for forever:(  
Trigonometric Functions Word Problem

01/19/16

Word problem

Write the following equation in double intercept form: 2x-6y-3=0
Trigonometric Functions

12/15/15

Find the exact value of each trigonometric ratio: A. sin30 B. cos240 C. tan150

Confused with special triangles... do these values even involve special triangles? 
Trigonometric Functions Word Problem

12/10/15

Write the inverse....

Write the inverse of the following function. Y=4x+2/3

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