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3.4 Trigonometry (A-level only)

3.4 Trigonometry (A-level only)

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Question 31

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

2cot⁡2x−cosec⁡2x+cosec⁡x=42\cot^2 x - \operatorname{cosec}^2 x + \operatorname{cosec} x = 42cot2x−cosec2x+cosecx=4

Give your answers to one decimal place where appropriate.

[5]
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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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