Compare the polarization states of each of the following pairs of plane waves:
(a) Wave 1: Ej = 2 cos(01 - kz) +92 sin(01 - kz).
Wave 2: E2= 2 cos(or + kz) + y 2 sin or + kz).
(b) Wave 1: Ej = 2 cos(or - kz) - 2 sin(or - kz).
Wave 2: E2 = 82 cos(or+kz) - 92 sin(or+kz).
