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Trigonometric Ratios

Trigonometric Ratios

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Question 8

A parallelogram ABCD ABCD\,ABCD has area 55 cm2. Given AB AB\,AB has length 5 cm, BC BC\,BC has length 12 cm and angle ABC ABC\,ABC is obtuse.

a.

Find the size of angle ABC ABC\,ABC to 2 decimal places.

[3]
b.

Find the length of the diagonal AC AC\,AC to 1 decimal place.

[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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