Tuesday, August 16, 2011

Find dy/dx. y = (csc x / (1+cos x))^3. ?

I got to the answer of ((3 csc^2 x) / (1+ cos x)^4) * (1 - csc x cot x - cos x csc x cot x) and that is correct. But it is supposed to simplify to [3(1-2cos x)] / [(sin^4 x) (1+cos x)^3]. Please show how final simplified answer was achieved. Thank you!!

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