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3.4 Trigonometry (A-level only)

3.4 Trigonometry (A-level only)

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Question 46

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

2cos⁡2x+7cos⁡x=0 2 \cos 2x + 7 \cos x = 0 2cos2x+7cosx=0
[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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