The derivative of with respect to is

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

Problem

The derivative of tan⁡(7x)\tan(7x) with respect to xx is (a) 7sec⁡2x7\sec^2 x (b) sec⁡2(7x)\sec^2(7x) (c) 7sec⁡2(7x)7\sec^2(7x) (d) tan⁡(7x)sec⁡2(7x)\tan(7x)\sec^2(7x)

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