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Question Number 128561 by 777316 last updated on 08/Jan/21

Answered by Dwaipayan Shikari last updated on 08/Jan/21

$$\underset{x\to 0}{\lim }cosx+\left(\frac{1-cosx}{sinx}\right)=1+\frac{2{sin}^2\frac{x}{2}}{sinx}=1$$

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