SOLUTION: prove the identity: sin2x=(2cotx)/(csc^2x)

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Question 966527: prove the identity:
sin2x=(2cotx)/(csc^2x)

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
prove the identity:
sin2x=(2cotx)/(csc^2x)
start with right side
2cotx%2Fcsc%5E2%28x%29
%282cosx%2Fsinx%29%2F%281%2Fsin%5E2%28x%29%29
%282cosx%2Fsinx%29%2A%28sin%5E2%28x%29%29
2cosxsinx=sin2x
verified: right side=left side