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

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.