6:35 Tutorial: Nth roots of unity 6:40 Roots of Unity 7:18 N-ные корни единства 2:42 the geometry of roots of unity 13:11 Roots of Unity (1 of 2: Evaluating the cube roots) 12:19 Roots of Unity 9:53 Nth Roots of a ℂ Number (1 of 2: General form) 11:26 Sum & Product of Cosines (1 of 3: 9th roots of unity) 3:37 Освоение комплексных чисел: многочлен четвертой степени и корни из единицы. 5:06 Complex numbers(Cube roots of unity) 4:41 Roots of Unity - Georgia Tech - Computability, Complexity, Theory: Algorithms