If , when , then find…

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

Problem

If y=sec⁡−1(1+x2)y = \sec^{-1}(\sqrt{1+x^2}) , when −1<x<1-1 < x < 1 , then find dydx\frac{dy}{dx} .

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