Use the identity sin 2x 2 sin x cos x to find d dx (sin 2x) Then use the identity cos 2x cos 2 x sin 2 x to express the derivative of sin 2x in terms of cos 2x

Question: Use the identity sin 2x = 2 sin x cos x to find d/dx (sin 2x). Then use the identity cos 2x = cos 2

Use the identity sin 2x = 2 sin x cos x to find d/dx (sin 2x). Then use the identity cos 2x = cos² x - sin² x to express the derivative of sin 2x in terms of cos 2x.

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