Compute the integral of the vector eld over r(t) : (cost, saint, 2t) for 0 g t 3 7r. F(:1:, y, z) : (:12, y, 22). (Use symbolic notation and fractions where needed.) f0 Fdr : F(x, y) = (-8, 5y), half-circle ac + y = 1 with y 2 0, oriented counterclockwise. (Use symbolic notation and fractions where needed.) Jo F . dr =Compute Fds for the oriented curve specified. F = , c(t) = (13, 2, t2 ) for 0