SOLUTION: How do you prove cscx(sinx-cosx-sin^3x)=cos^2x-cotx

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Question 1031451: How do you prove
cscx(sinx-cosx-sin^3x)=cos^2x-cotx
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
cscx(sinx-cosx-sin^3x)=cos^2x-cotx
cscx%28sinx-cosx-sin%5E3%28x%29%29

+%28sin+x+%2F+sin+x%29+-%28+cos+x%2Fsin+x%29+-+%28sin%5E3%28x%29%2Fsin+x%29



+%281-cot+X+-+sin%5E2%28x%29%29

1-sin^2x = cos^2x
= +cos%5E2%28x%29+-cot+x