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Lim X → 0 Sin X 0 X

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Question

\[\lim_{x \to 0} \frac{\sin x^0}{x}\] 

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Solution

We know that \[x°= \frac{\pi}{180}x\]

\[\therefore \lim_{x \to 0} \frac{\sin x^0}{x}\]
\[ = \lim_{x \to 0} \frac{\sin \frac{\pi}{180}x}{x}\]
\[ = \lim_{x \to 0} \frac{\sin \left( \frac{\pi}{180}x \right)}{\left( \frac{\pi}{180}x \right)} \times \frac{\pi}{180}\]
\[ = \frac{\pi}{180} \times 1 = \frac{\pi}{180}\]

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Chapter 29: Limits - Exercise 29.7 [Page 49]

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RD Sharma Mathematics [English] Class 11
Chapter 29 Limits
Exercise 29.7 | Q 2 | Page 49

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