If , then find when…

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Composite, Implicit, and Inverse Functions · Differentiation: Composite, Implicit, and Inverse Functions

Problem

If y=tan⁡−11−x1+xy = \tan^{-1} \sqrt{\frac{1-x}{1+x}} , then find dydx\frac{dy}{dx} when −1<x<1-1 < x < 1 .

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