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3.5 Trigonometry (A-level only)

3.5 Trigonometry (A-level only)

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Question 32

Figure 1 below shows the sector AOB AOB\,AOB of a circle with radius r r\,r cm. The triangle AOB AOB\,AOB is equilateral.

Figure for question 8

The area of the sector AOB AOB\,AOB is 24π 24\pi\,24π cm2^22.

Find, in terms of π\piπ, the perimeter of the sector.

[4]
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3.5 Trigonometry (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.5 Trigonometry (A-level only)

225 exam-style questions on WJEC A Level Maths 3.5 Trigonometry (A-level only), covering 3.5.1 Trigonometry (A-level only), 3.5.2 Trigonometry (A-level only), 3.5.3 Trigonometry (A-level only), 3.5.4 Trigonometry (A-level only), 3.5.5 Trigonometry (A-level only), 3.5.6 Trigonometry (A-level only), 3.5.7 Trigonometry (A-level only), and 3.5.8 Trigonometry (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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