AP

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

Problem

Find ddx[sin⁡xcos⁡x]\dfrac{d}{dx}[\sin x\cos x]. (a) 2sin⁡xcos⁡x2\sin x\cos x (b) cos⁡2x+sin⁡2x\cos^{2}x+\sin^{2}x (c) cos⁡2x−sin⁡2x\cos^{2}x-\sin^{2}x (d) −cos⁡2x+sin⁡2x-\cos^{2}x+\sin^{2}x

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