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Trigonometric Ratios

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Question 39

Find the area of triangle ABCABCABC.

Triangle ABC has A at the left end of a horizontal base, C at the right end, B above the base, angles of 30° at A and 45° at C, and AC labelled 40 cm.

a.

Calculate the size of angle ABCABCABC.

[1]
b.

Hence calculate the area.

[3]
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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