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11.3 Using Trigonometric Identities

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Question 7
a.

Express cos⁡2(u2)\displaystyle \cos^2 \left(\frac{u}{2}\right)cos2(2u​) in terms of cos⁡u\cos ucosu

[1]
b.

Find: ∫cos⁡2(u2) du\displaystyle \int \cos^2 \left(\frac{u}{2}\right) \, du∫cos2(2u​)du

[3]
Markscheme

11.3 Using Trigonometric Identities Questions

  1. A Level
  2. /Maths
  3. /11.3 Using Trigonometric Identities

31 exam-style questions on Edexcel A Level Maths 11.3 Using Trigonometric Identities. Each one has a worked solution and a mark scheme showing where the marks go.

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