If $ y=\sin ^{2}\left[\cot ^{-1}\left(\frac{1}{\sqrt{\frac{1+x}{1-x}} – InterviewSolution

1.	If $ y=\sin ^{2}\left[\cot ^{-1}\left(\frac{1}{\sqrt{\frac{1+x}{1-x}}}\right)\right] $ then find $ \frac{d y}{d x} $
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