Please help with this question:

1. (8 points) Justify all your steps for full marks. (a) Let C be the curve given by parametrization r(t) = ((2+cos(t)) cos(t), (2+cos(t) ) sin(t)) and let F = (cos x sin y, x + sin a cosy) Calculate S F . di (b) Let S be the half of the ellipsoid y = 9-x2-22, y 2 0 with "outward" pointing normal vector (pointing away from the origin), and let F = (sin(yz), y, erty"). Calculate SIs F . dS