Year 11 (2026) Maths Extension 1 (2026) Further Trigonometry

Double Angle Formulae

20 practice questions 2 video lessons Theory + worked examples

Practice 20 questions

Practice questions

Every question with a fully worked solution.

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Watch 2 video(s)

Double Angle Formulae - Video - Trigonometric Double Angle Identities Watch
Double Angle Formulae - Video - Identities: double angles Watch

Theory

Double Angle Formulae

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