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int (dx)/(cos x sqrt(1+cos 2x+ sin 2x))=...

`int (dx)/(cos x sqrt(1+cos 2x+ sin 2x))= _______+C, (0 lt x lt (pi)/(4))`

A

`2+sqrt(cot x)`

B

`sqrt(tan x+1)`

C

`sqrt(2+2 tan x)`

D

`sqrt(2+2 cot x)`

Text Solution

Verified by Experts

The correct Answer is:
C
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