KcetDifferentiationKCET 2017MCQ+1 / -02017If $y=\tan ^{-1}\left(\frac{\sin x+\cos x}{\cos x-\sin x}\right)$, then $\frac{d y}{d x}$ is equal toA $1 / 2$B 0C $\pi / 4$D 1Check AnswerClear SelectionReveal AnswerShow Explanation
