SOLUTION: How do you prove that sin2theta = 2cot(theta)/csc^2(theta)

SOLUTION: How do you prove that sin2theta = 2cot(theta)/csc^2(theta)

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Question 613146: How do you prove that sin2theta = 2cot(theta)/csc^2(theta)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
How do you prove that sin2theta = 2cot(theta)/csc^2(theta)
Start with right side
2cotx/csc^2x
=(2cosx/sinx)/(1/sin^2x)
=2cosxsin^2x/sinx
=2sinxcosx
=sin2x
verified:
right side=left side
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