91- 6303239042
Exponential Form
## Formula
If:
$$z=r(\cos\theta+i\sin\theta)$$
then:
$$z=re^{i\theta}$$
Also:
$$e^{-i\theta}=\cos\theta-i\sin\theta$$
Therefore:
$$z=r(\cos\theta+i\sin\theta)=re^{i\theta}$$
## Usage
- Used to simplify multiplication, division and powers of complex numbers.
