2.29 If J = r sin θ cos φ a, cos 2θ sin φ a + tan r аф at T(2, π/2, 3π/2), determine the In vector component of J that is: (a) Parallel to a (b) Normal to surface φ = 3π/2 (c) Tangential to the spherical surface r = 2 (d) Parallel to the line y =-2, z = 0
