If and ,…

MATHEMATICS · Single correct · AP · AP Precalculus · Functions with Parameters, Vectors, and Matrices · Functions with Parameters, Vectors, and Matrices

Problem

If tan⁡y=2t1−t2\tan y = \frac{2t}{1-t^2} and sin⁡x=2t1+t2\sin x = \frac{2t}{1+t^2}, then dydx=\frac{dy}{dx} = (a) 21+t2\frac{2}{1+t^2} (b) 11+t2\frac{1}{1+t^2} (c) 1 (d) 2

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