Question

The period of the function $f(x)=\frac{|\sin x|+|\cos x|}{|\sin x-\cos x|}$ is

• A. $\pi /2$
• B. $\pi /4$
• C. $\pi$
• D. $2\pi$

Answer 1

Answer: (C)

when $p=\pi /2$ then $D^r\to \cos x+\sin x$
$\Rightarrow \pi /2$ can not be the period