question_answer

The function which is neither decreasing nor increasing in \[\left( \frac{\pi }{2},\frac{3\pi }{2} \right)\] is [MP PET 2000]

A)            cosec x

B)            \[\tan x\]

C)            \[{{x}^{2}}\]

D)            \[|x-1|\]

Correct Answer: A

Solution :

           The graph of cosec x is opposite in \[\left( \frac{\pi }{2},\,\,\frac{3\pi }{2} \right)\].