Section 9.5
Complex Numbers and DeMoivre's Theorem
Polar form of complex numbers, products and quotients, DeMoivre's Theorem, nth roots.
4 lessons. Pick what you need.
Play videos:
Lesson
Lesson Reviewing Imaginary Numbers (for precalc and trig students)
Lesson
Lesson on the Trigonometric (Polar) Form of Complex Numbers
Lesson
Lesson on the Product and Quotient Theorems for Complex Numbers
Lesson