Given that the electric field in a certain region is E = (z + 1) sin a,

Given that the electric field in a certain region is
E = (z + 1) sin Φ aρ, + (z + 1) cos aΦ + ρ sin Φ az V/m
determine the work done in moving a 4-nC charge from
(a) A(1, 0, 0) to B(4, 0,0)
(b) B(4, 0, 0) to C(4, 30°, 0)
(c) C(4, 30°, 0) to D(4, 30°, – 2)
(d) A to D