Which of the following is ( d dx ( x) )?

MATHEMATICS · Single correct · AP · Calculus AB · Differentiation: Definition and Fundamental Properties · Differentiation: Definition and Fundamental Properties

Problem

Which of the following is ddx(cot⁡x)\dfrac{d}{dx}(\cot x)? (a) −csc⁡x cot⁡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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