int (dx)/(tan x+ cot x+ sec x+ cosec x)...

`int (dx)/(tan x+ cot x+ sec x+ cosec x)`

A

`(1)/(2)(sin x + cos x + x)+C`

B

`(1)/(2)(sin x - cos x - x) + C`

C

`(1)/(2)( cos x - x+sin x)+C`

D

None of these

Verified by Experts

The correct Answer is:

B

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