Question

What is the product of these two complex numbers in polar form?

$$\begin{gathered}z_1 = 2\left(\cos 90^\circ + i\sin 90^\circight)\z_2 = 1\left(\cos 90^\circ + i\sin 90^\circight)\end{gathered}$$

Accepted Answer

$$2\left(\cos 180^\circ + i\sin 180^\circ\right)$$

Answer

$$3\left(\cos 180^\circ + i\sin 180^\circ\right)$$

Answer

$$2\left(\cos 0^\circ + i\sin 0^\circ\right)$$

Practice: Complex Polar - Multiply to Product