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3.5 Trigonometry (A-level only)

3.5 Trigonometry (A-level only)

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Question 13

Given that θ \theta\,θ is small and is measured in radians, use the small angle approximations to find an approximate value of

4θsin⁡3θ1−cos⁡2θ\displaystyle \frac{4\theta \sin 3\theta}{1 - \cos 2\theta}1−cos2θ4θsin3θ​

[3]
Markscheme

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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