`int(cos(x/2)-sin(x/2))^(2)dx=`

A

`x+cosx+c`

B

`2cos^(2)(x/2)+c`

C

`1/3(cos(x/2)-x/2)^(3)+c`

D

`x-cosx+c`

Verified by Experts

The correct Answer is:

A

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