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

Identities

18 practice questions 4 video lessons Theory + worked examples

Practice 18 questions

Practice questions

Every question with a fully worked solution.

Start practising

Watch 4 video(s)

Identities - Video - Intro to Trigonometric Identities Watch
Identities - Video - Identities Watch
Identities - Video - Identities - single angle type Watch
Identities - Video - Identities: double angles Watch

Theory

Identities

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Double Angle Formulae

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Compound Angle Equations

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