Select all the possible polar representations of the vector vec (z ᵣₒₜ) that is obtained from rotating vec(z) where z=3e i3π/2 by t=3π/4.
Hint: Consider the negative angle that is equivalent to the positive angle of the rotated vector. 3e3π/4i, 3e-3π/4i, 3e 3π/4i, 3e-7π/4i
