Q .     `int(x-sinx)/(1+cosx)dx=xtan(x/2)+plog|sec(x/2)|+cimpliesp=`

EAMCET 2013
A

`-4`

B

`4`

C

`2`

D

`-2`

HINT

`(x-sinx)/(1+cosx)=x/2sec^2(x/2)-tan(x/2)`
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