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1.4 Trigonometry

1.4 Trigonometry

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Question 7

A parallelogram ABCD ABCD\,ABCD has adjacent sides AB=6AB=6AB=6 cm and BC=10BC=10BC=10 cm and area 303 cm230\sqrt3\text{ cm}^2303​ cm2. The angle ABC ABC\,ABC is obtuse.

a.

Find ∠ABC\angle ABC∠ABC.

[3]
b.

Find the diagonal ACACAC.

[3]
Markscheme

1.4 Trigonometry Questions

  1. A Level
  2. /Maths
  3. /1.4 Trigonometry

84 exam-style questions on CCEA A Level Maths 1.4 Trigonometry, covering 1.4.1 Trigonometry, 1.4.2 Trigonometry, 1.4.3 Trigonometry, 1.4.4 Trigonometry, 1.4.5 Trigonometry, 1.4.6 Trigonometry, and 1.4 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.

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