lesson
Deriving Trigonometric Identities from Exponential Form
Use the exponential form to derive and prove trigonometric identities
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Exponential Form and Trigonometric Identities
4 lessons
Goal
Understand the derivation of Euler's identity and use exponential form to derive trigonometric identities and compound angle formulae.
4 lessons
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- Euler's Formula and de Moivre's Theorem: ConnectionUp next
- Deriving Trigonometric Identities from Exponential FormYou are here
- Euler's Formula: Sketch of DerivationNot started yet
- Linking Exponential Form to Compound AnglesNot started yet
Learning standards covered
FM-B9General Certificate of Education Advanced Level (UK A-Level) · Further-maths · 11th GradeKnow and use the definition eiθ=cosθ+isinθ and the form z =reiθ
FM-OT1.5General Certificate of Education Advanced Level (UK A-Level) · Further-maths · 11th Grade[Comprehend and critique mathematical arguments, proofs and justifications of methods and formulae, including those relating to applications of mathematics]