Consider the numbers z = 3 startroot 2 endroot(cos(135°) i sin(135o) and w = cos(180o) i sin(180°). which expression is closest to the polar form of z w? 5(cos(143o) i sin(143o)) 5(cos(315o) i sin(315o)) 4startroot 2 endroot(cos(143o) i sin(143o)) 4startroot 2 endroot(cos(315o) i sin(315o))