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7Pure Year 2 · ChapterTrigonometry and modelling

• Lesson 1Addition formulae›
• Lesson 2Double-angle formulae›
• Lesson 3Solving trigonometric equations›
• Lesson 4Writing a cos x ± b sin x as R cos(x ± α)›
• Lesson 5Proving trigonometric identities›
• Lesson 6Modelling with trigonometric functions›
• A* exam practiceTrigonometry and modelling: A* questionsSubscribers›