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posted by lindsay on Tuesday, April 24, 2012 at 6:47am.
show that sin 2theta/1-cos 2 theta = cot theta
The equation you gave is NOT an identity, Did you mean sin (2Ø)/(1 - cos^2 Ø) = 2cotØ ? LS = 2sinØcosØ/(sin^2 Ø) = 2cosØ/sinØ = 2cotØ = RS
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