SOLUTION: P(-15/17,-8/17) is found on the unit circle. Find sin θ and cos θ. Thank You

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Question 44211: P(-15/17,-8/17) is found on the unit circle. Find sin θ and cos θ.
Thank You
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
P(-15/17,-8/17) is found on the unit circle. Find sin θ and cos θ.
You are given x and y values.
Find r=sqrt(x^2+y^2)=8/17
Then sin(theta)=y/r and cos(theta)=x/r
Cheers,
Stan H.