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f(x)=(1)/(2)sinxtanx-log(secx) is increa...

`f(x)=(1)/(2)sinxtanx-log(secx)` is increasing in

A

`((-pi)/(2),0)`

B

`(pi,(3pi)/(2))`

C

`(0,(pi)/(2))`

D

`((-pi)/(2),(pi)/(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-MAXIMA AND MINIMA -PRACTICE SHEET (EXERCISE -I) (LEVEL -I) (STRAIGHT OBJECTIVE TYPE QUESTIONS)
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