Using DeMoivre’s Theorem, evaluate:

2cis603

##### DeMoivre's Theorem definition

z = rcis(θ), then
zn = rncis(nθ)

##### Plug in θ = 60, n = 3, and r = 2

2cis603 = 23cis(3 x 60)

2cis603 = 8cis(180)

#### You have 2 free calculationss remaining

2cis603 = 8cis(180)
##### How does the Demoivres Theorem Calculator work?
Free Demoivres Theorem Calculator - Using Demoivres Theorem, this calculator performs the following:
1) Evaluates (acis(θ))n
2) Converts a + bi into Polar form
3) Converts Polar form to Rectangular (Standard) Form
This calculator has 6 inputs.

### What 1 formula is used for the Demoivres Theorem Calculator?

if z = rcis(θ), then zn = rncis(n?)

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### What 3 concepts are covered in the Demoivres Theorem Calculator?

demoivres theorem
A formula useful for finding powers and roots of complex numbers
z = rcis(θ), then zn = rncis(nθ)
imaginary number
a real number multiplied by the imaginary unit i, which is defined by its property i2 = -1.
polar
a two-dimensional coordinate system in which each point on a plane is determined by a distance from a reference point and an angle from a reference direction