calculs 3

Note: please write down the Answer by hand on paper

6. (a) Find the line integral / F . dr, where C is given by the vector function r(t) F(x, y, z) = sin xi + cosyj + xzk, r(t) = thi -123 +th, osts1 (b) Evaluate using Green's Theorem (xy da + y? dy), where C is the triangle formed by joining the vertices (0, 0), (1, 1), and (0, 1)