9. Let E≔{(x,y,z)| x2+y2 ≤ z ≤ 1} with the boundary ∂Eand n be the outward-pointing normal vector. Given a vector fieldF(x,y,z)=(+2x-sinz,x-cosz,sin sin(y2)-z2).Please evaluate
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+2x-sinz,x-cosz,sin sin(y2)-z2).