# How do you find the trigonometric form of a complex number?

##### 1 Answer

Jun 14, 2018

As detailed below.

#### Explanation:

Trigonometric Form of a Complex Number. The trigonometric form of a complex number z = a + bi is. z = r(cos θ + i sin θ), where r = |a + bi| is the modulus of z, and tan θ = b. a.

Let the complex number be

Polar form is

Trigonometric form