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1.4 Trigonometry

1.4 Trigonometry

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Question 4

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

cos⁡2x+3cos⁡x−1=0 \cos 2x + 3 \cos x - 1 = 0 cos2x+3cosx−1=0
[5]
Markscheme

1.4 Trigonometry Questions

  1. A Level
  2. /Maths
  3. /1.4 Trigonometry

84 exam-style questions on CCEA A Level Maths 1.4 Trigonometry, covering 1.4.1 Trigonometry, 1.4.2 Trigonometry, 1.4.3 Trigonometry, 1.4.4 Trigonometry, 1.4.5 Trigonometry, 1.4.6 Trigonometry, and 1.4 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.

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