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3.4 Trigonometry (A-level only)

3.4 Trigonometry (A-level only)

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Question 14

Solve, for −180°≤θ≤180°-180° \leq \theta \leq 180°−180°≤θ≤180°, the equation

sec⁡(2θ+10°)=−1.3\sec(2\theta + 10°) = -1.3sec(2θ+10°)=−1.3

Give your answers to one decimal place.

[4]
Markscheme

3.4 Trigonometry (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.4 Trigonometry (A-level only)

221 exam-style questions on CCEA A Level Maths 3.4 Trigonometry (A-level only), covering 3.4.1 Trigonometry (A-level only), 3.4.2 Trigonometry (A-level only), 3.4.3 Trigonometry (A-level only), 3.4.4 Trigonometry (A-level only), 3.4.5 Trigonometry (A-level only), 3.4.6 Trigonometry (A-level only), 3.4.7 Trigonometry (A-level only), and 3.4.8 Trigonometry (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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