I was messing with a calculator and found that the square root of 0.5 is equal to the sine and cosine of 45. I was just wondering the correlation between the two equations.

I was messing with a calculator and found that the square root of 0.5 is equal to the sine and cosine of 45. I was just wondering the correlation between the two equations.

csc t = 3 and the terminal point of t is in Quadrant II.

Hello, I am having trouble with the following problem: If A and B are both acute angles and sin(A)=6/13 and cos(B)=48/49 find the value of cos9-A)-sin(-B). Write the answer as a simplified...

Please help me answer the following question! I'm stuck! Prove that cos6ß + sin6ß = 1/4 + 3/4cos2ß I've tried simplifying out the LHS into (cos2ß)3 + (sin2ß)3,...

If the graph of y = sin(x) is shifted __?____ units left, the graph of y = cos(x) is obtained.

If angle w is in quadrant III and cos w =a, what is cos(w+pi)?

If sin(x) = 1/8 and x is in quadrant I, find the exact values of the expressions without solving for x. a) sin(2x) b) cos(2x) c) tan(2x)

I'm having trouble solving the above question, as well as the one below tan20+tan10/1-tan20tan10=

trigonometry

As well as this one below. I'm just having trouble understanding the process and steps. Find all the solutions in [0,2pi) sin^2(t)-cos^2(t)=0 3. Solve...

sin((pi)/(6))cos((pi)/(3)) - sin((pi)/(3))cos((PI)/(6))

1. Find the exact value of cos(t/2) if sin(t) = -7/25 and pi < t < 3pi/2 2. Find all the solutions in the interval [0,360] cos(2x)= - sqr...

This is for my trig class, thanks for the help! If you could, could you please show all your work? Thanks again!

The sine and cosine functions are used to model periodic behavior. find an internet resource that discusses the periodic behavior.

Find the missing angle below for 0°≤Ø≤90° cos Ø = 1/2

Without a calculator, find the exact value of: a) sin(120) b) cos(-3Π/4)

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

Match each sine value with an equivalent cosine value(s). sin(0) sin(pi/2) sin(pi) sin(3pi/2) ANSWER CHOICES cos(0)&cos(pi) cos(pi)&cos(3pi/2) c...

What's the value of x if pi≤x≤3pi/2 and sin x=5 cos x?

(CosA-cosB)2 + (sinA-sinB)2 Can someone help me solve this? and what steps do we take ?