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3.4 Trigonometry (A-level only)

3.4 Trigonometry (A-level only)

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Question 84

Figure 1 below shows the sector AOB AOB\,AOB of a circle with radius 6 cm. The chord AB AB\,AB is 8 cm long. The shaded region is bounded by the chord AB AB\,AB and the arc ABABAB.

Figure for question 1

a.

Find the angle AOB AOB\,AOB in radians, giving your answer to three decimal places.

[3]
b.

Calculate the area of the sector AOBAOBAOB.

[2]
c.

Calculate the shaded area.

[2]
Markscheme

3.4 Trigonometry (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.4 Trigonometry (A-level only)

221 exam-style questions on CCEA A Level Maths 3.4 Trigonometry (A-level only), covering 3.4.1 Trigonometry (A-level only), 3.4.2 Trigonometry (A-level only), 3.4.3 Trigonometry (A-level only), 3.4.4 Trigonometry (A-level only), 3.4.5 Trigonometry (A-level only), 3.4.6 Trigonometry (A-level only), 3.4.7 Trigonometry (A-level only), and 3.4.8 Trigonometry (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank