## c is the curve of intersection-using a theorem

Hi ,
This question requires the use of stokes theorem.Thanks for your help.

Hopefully i havent asked this before.If I have ,i dont think anyone responded(apart from myself)(sorry if i am asking again but this is important)
Find ∮(sinx-y)dx+(x+cosz)dy+(e^z+z)dz
where C is the curve of intersection of the cone z=sqrt(x^2+y^2) and the plane 3z=y+4 taken once anticlockwise when viewed from above.