Q. The period of the function $f (x) = \frac{∣ s i n x ∣ + ∣ c o s x ∣}{∣ s i n x - c o s x ∣}$ is

168 162 Relations and Functions - Part 2 Report Error

A

$π /2$

B

$π /4$

C

$π$

D

$2 π$

Solution:

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