y=cos^4 *x+sin^4 *x

y=cos^4 *x+sin^4 *x

2) Clock #2: A clock has a radius of 6 inches. The center is 14.5 inches below the ceiling. Measure the distance from the ceiling to the tip of the hour hand at each hour beginning at 12 (which is...

Solve for 2cosx - sin2x= cos2x over the interval [0,2pi) 1.) x=pi/6 and 11pi/6 2.) x=5pi/6 and 7pi/6 3.) x=2pi/3 and 4pi/3 4.) x=pi/3 and 5pi/3

I am modelling a graph in the form y = Asin(ωt +α) +c, but I have got stuck on calculating alpha. So far I have calculated... the central line is at y=100 A =...

I'm having some trouble solving this problem, can someone please explain the steps for me...

The question is asking to find the value of x if Cosine x = sine (x+20)

How do I solve this? The sine is really confusing me

∫|sinx-cosx|dx= upper limit- π lower limit- 0

An airplane has an airspeed of 500 kilometers per hour bearing N45°E. The wind velocity is 60 kilometers per hour in the direction N30°W. Find the resultant vector representing the path of the plane...

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

Find an equation equivalent to x^2 - y^2 = 4 in polar coordinates.

Determine the Amplitude: f(x) = 5 sin (4x) a. 5 b. pi/5 c. 4 d. pi/4 Determine The Period: f(x) = -2cos(2x-90) a. 180 b.45 c. 4 d. pi/4 what is the horizontal...

convert the following parametric equations into a rectangular equation x=-2sinT y=2cosT

Find the exact value of: sin(75?)

Help!! Find all solutions. Please show steps. Thank you!

I don't know how to solve

Using the pythagorean identity, find the value of sin⊗ and tan⊗ if cos⊗= -1/2

Explain why sin⊗2 + cos⊗2=1

Use algebra to prove the identity: cos(x)/1-sin(x) − tan(x) = 1 cos(x)

Find all solutions on the interval 0< (or equal to) theta < 2pi Help! Show steps please. thanks

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