$w_1=6[\cos(12^\circ)+i\sin(12^\circ)]$ $w_2=15[\cos(18^\circ)+i\sin(18^\circ)]$ **Express the product of $w_1$ and $w_2$ in polar form.** *The angle should be given in degrees*. $w_1\cdot w_2= $ [[☃ expression 1]]