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Sin2 X

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Question

sin2 x 

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Solution

\[\frac{d}{dx}\left( \sin^2 x \right)\]
\[ = 2 \sin x \frac{d}{dx}\left( \sin x \right) (\text{ Using the chain rule })\]
\[ = 2 \sin x \cos x\]
\[ = \sin 2x\]

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Chapter 30: Derivatives - Exercise 30.4 [Page 39]

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R.D. Sharma Mathematics [English] Class 11
Chapter 30 Derivatives
Exercise 30.4 | Q 15 | Page 39

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