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1.4 Trigonometry

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Question 4
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In the triangle ABCABCABC, AB=13cmAB = 13\text{cm}AB=13cm, BC=10cmBC = 10\text{cm}BC=10cm and angle BAC=30∘BAC = 30^\circBAC=30∘

Find the two possible sizes of angle ABCABCABC, giving your answers to two decimal places.

[6]
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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