Operations on complex numbers in polar form  Complex Numbers
Operations on complex numbers in polar form
Lessons
Notes:
Note:
Polar form real part$a=z\cos \theta$
imaginary part$b=z\sin \theta$
$z=z(\cos \theta+i\sin \theta)$
When …
Multiplying: multiply the absolute values, and add the angles
Dividing: divide the absolute values, and subtract the angles
Exponential form$z=ze^{i \theta}$

1.
Multiplying complex numbers in polar form

2.
Dividing complex numbers in polar form