Lesson: De Moivre’s Theorem Mathematics • Third Year of Secondary School

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In this lesson, we will learn how to find powers and roots of complex numbers and how to use de Moivre’s theorem to simplify calculations of powers and roots.

Lesson Plan

Students will be able to

recall and state de Moivre’s theorem,
understand the proof for de Moivre’s theorem,
use de Moivre’s theorem to find powers of complex numbers,
use de Moivre’s theorem to find roots of complex numbers,
use de Moivre’s theorem to find the modulus and argument of the powers and roots of complex numbers.