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Trigonometric Ratios

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Question 5

In triangle ABCABCABC, AB=12 cmAB = 12 \text{ cm}AB=12 cm and angle B=40∘B = 40^\circB=40∘

a.

Given AC=10 cmAC = 10 \text{ cm}AC=10 cm, find the two possible values for angle CCC, correct to 1 decimal place.

[4]
b.

Given instead that the area of the triangle is 752 cm275\sqrt{2} \text{ cm}^2752​ cm2, find BCBCBC.

[2]
Markscheme

Trigonometric Ratios Questions

  1. AS Level
  2. /Maths
  3. /Trigonometric Ratios

18 exam-style questions on Edexcel AS Level Maths Trigonometric Ratios, covering 9.1 The Cosine Rule, 9.2 The Sine Rule, 9.3 Areas of Triangles, 9.4 Solving Triangle Problems, 9.5 Graphs of Sine, Cosine and Tangent, and 9.6 Transforming Trigonometric Graphs. Each one has a worked solution and a mark scheme showing where the marks go.

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