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1.5 Trigonometry

1.5 Trigonometry

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Question 5

In triangle ABCABCABC, BC=6BC = 6BC=6 cm, AC=5AC = 5AC=5 cm and cos⁡(∠ACB)=35\cos(\angle ACB) = \dfrac{3}{5}cos(∠ACB)=53​.

a.

Find the exact length of ABABAB.

[3]
b.

Find the exact area of triangle ABCABCABC.

[3]
Markscheme

1.5 Trigonometry Questions

  1. A Level
  2. /Maths
  3. /1.5 Trigonometry

97 exam-style questions on WJEC A Level Maths 1.5 Trigonometry, covering 1.5.1 Trigonometry, 1.5.2 Trigonometry, 1.5.3 Trigonometry, 1.5.4 Trigonometry, and 1.5.5 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.

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