What is the derivative of with respect to ?

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

Problem

What is the derivative of cot⁡x\cot x with respect to xx? (a) −csc⁡xcot⁡x-\csc x\cot x (b) csc⁡2x\csc^{2} x (c) −csc⁡2x-\csc^{2} x (d) sec⁡2x\sec^{2} x

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