clear

x = -5 + 8i;
y = 10 + 5i;

product = x * y;
magnitude_xy = abs(products_xy)
angle_xy =angles(products_xy)
disp([magnitude_xy]): num2str(magnitude_xy)
disp(angle_xy(radians)): num2str(angle_xy)
disp(angle_xy (degrees)): num2str(angle_xy_degree)

quotient_xy + x/y
magnitude_quotient = abs(quotient_xy)
angle_xy_degree = rad2deg(angle_quotient)
angle_quotient = angle(quotient_xy)