Provided the complex number, z = x + y = re And Show that, a). b). C). z" = r" (cos(no) + isin(on)) where i Real [2] = x - y and Imaginary [2] = 2xy cos20 cos - sin, Put together your results to show, = x = Real[z] & y = Imaginary [z] = - 1 & sin20 = 2cososino