Integrate the given question which is attached with. . .

As there is no integration sign in keyboard i had taken } as the sign of integration }x+sinx/1+cosx dx=}x+sinx/2cos^2(x/2) dx=1/2}x/cos^2x/2 dx + }2sin(x/2)cos(x/2)/2cos^2(x/2) dx= now you can solve this part by byparts + 2log(secx/2) +constant of integration