Lesson Plan: De Moivre’s Theorem for Trigonometric Identities | Nagwa Lesson Plan: De Moivre’s Theorem for Trigonometric Identities | Nagwa

Lesson Plan: De Moivre’s Theorem for Trigonometric Identities Mathematics • Third Year of Secondary School

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This lesson plan includes the objectives and prerequisites of the lesson teaching students how to use de Moivre’s theorem to obtain trigonometric identities.

Objectives

Students will be able to

  • use de Moivre’s theorem to find multiple-angle formulae,
  • use de Moivre’s theorem to find expressions for the powers of trigonometric identities,
  • use de Moivre’s theorem to find trigonometric identities that are used to evaluate trigonometric integrals and solve trigonometric equations.

Prerequisites

Students should already be familiar with

  • the binomial theorem,
  • trigonometric and exponential forms of complex numbers,
  • de Moivre’s theorem.

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