CBSE

MATHEMATICS · Single correct · CBSE · Mathematics · Continuity and Differentiability · Continuity and Differentiability

Problem

If y=log⁡sin⁡x(tan⁡x)y=\log_{\sin x}(\tan x), then (dydx)π/4=\left(\frac{dy}{dx}\right)_{\pi/4}= (a) 4log⁡2\frac{4}{\log 2} (b) −4log⁡2-4\log 2 (c) −4log⁡2\frac{-4}{\log 2} (d) None of these

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