I have the parametrization:
r(t)= -6sin^2x(i+j) - 3sin2x k , X [0, pi]
If the vector field V(x, y, z) = (1+y/3)j + z/3k
What is the line integral I= integral c (V.dr)
r, i, j, k, dr and V are all vectors.
integral c is the contour integral.