Applications Of Derivatives Question 254

Question: The function which is neither decreasing nor increasing in $ ( \frac{\pi }{2},\frac{3\pi }{2} ) $ is

[MP PET 2000]

Options:

A) cosec x

B) $ \tan x $

C) $ x^{2} $

D) $ |x-1| $

Show Answer

Answer:

Correct Answer: A

Solution:

The graph of cosec x is opposite in $ ( \frac{\pi }{2},\frac{3\pi }{2} ) $ .