Question

The value of $\underset{x\to 0}{\lim }\frac{\cos x}{\pi -x}$ is

• A. $\pi$
• B. $-\pi$
• C. $\frac{1}{\pi }$
• D. $-\frac{1}{\pi }$

Answer 1

Answer: (C)

$\underset{x\to 0}{\lim }\frac{\cos x}{\pi -x}=\frac{1}{\pi -0}=\frac{1}{\pi }$