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## Homework Statement

solve below using de Moivre's theorem, in polar form

z^3 = i

## Homework Equations

r CIS theta

Answer:CIS pi/6, CIS 5pi/6, CIS (-pi/6)

## The Attempt at a Solution

r^3 = sqrt(0^2+1^2)

r^3 = sqrt (1)

r = sqrt (1)

no idea how to get the angle