A Level

MATHEMATICS · Single correct · A Level · Mathematics · Differentiation · Differentiation

Problem

What is ddx(tan⁡x)\dfrac{d}{dx}(\tan x)? (a) sec⁡xtan⁡x\sec x\tan x (b) −csc⁡2x-\csc^{2} x (c) sec⁡2x\sec^{2} x (d) sec⁡x\sec x

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