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Trigonometric Ratios

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Question 51

Triangle ACD has B on AC and BD drawn, with angle CAD marked 60°, AD labelled 15 cm, AC labelled 8 cm and AB labelled 7 cm.

ACD ACD\,ACD is a triangle and B B\,B lies on ACACAC. Angle CAD=60∘CAD = 60^\circCAD=60∘, AD=15AD = 15AD=15 cm, AC=8AC = 8AC=8 cm, AB=7AB = 7AB=7 cm

a.

Find the length of CDCDCD

[3]
b.

Hence, or otherwise, find the length of BDBDBD

[1]
Markscheme

Trigonometric Ratios Questions

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

217 exam-style questions on Edexcel A 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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