Question

find the cube roots of unity and show that these cube roots divide the circumference of a unite circle in to 3 equal parts

Answer 1

1= cos 0 + i sin 0.       where i = $\\ \sqrt{-1}$
  = cos (0+2nπ) + i sin (0+2nπ).   Where n is an integer
 $\sqrt[3]{1}$= (cos2nπ÷