Question:
Evaluate the given $\operatorname{limit:} \lim _{x \rightarrow 0} \frac{\cos x}{\pi-x}$
Solution:
$\lim _{x \rightarrow 0} \frac{\cos x}{\pi-x}=\frac{\cos 0}{\pi-0}=\frac{1}{\pi}$
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