int(dx)/(sinx+cosx)=...

`int(dx)/(sinx+cosx)=`

A

`logtan(pi/8+x/2)+c`

B

`logtan(pi/8-x/2)+c`

C

`1/sqrt(2)logtan(pi/8+x/2)+c`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:

C

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