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1.8 E: Trigonometry

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Question 45

Solve, for −180≤y≤180-180 \leq y \leq 180−180≤y≤180, the equation,

3tan⁡2y−sec⁡2y+sec⁡y=3 3\tan^2y - \sec^2y + \sec y = 3 3tan2y−sec2y+secy=3

Give your answers to 1 decimal place where appropriate.

[5]
Markscheme

1.8 E: Trigonometry Questions

  1. A Level
  2. /Maths
  3. /1.8 E: Trigonometry

317 exam-style questions on AQA A Level Maths 1.8 E: Trigonometry, covering 1.8.1 Trigonometric definitions, rules and radians, 1.8.2 Small angle approximations (A-level only), 1.8.3 Trigonometric functions and exact values, 1.8.4 Reciprocal and inverse trigonometric functions (A-level only), 1.8.5 Trigonometric identities, 1.8.6 Compound and double angle formulae (A-level only), 1.8.7 Solving trigonometric equations, 1.8.8 Proofs with trigonometric identities, and 1.8.9 Trigonometry in context. Each one has a worked solution and a mark scheme showing where the marks go.

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