11.3 Using Trigonometric Identities
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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]

11.3 Using Trigonometric Identities Questions

Practise Edexcel A Level Maths 11.3 Using Trigonometric Identities with exam-style questions for A Level Maths. 32 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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11.3 Using Trigonometric Identities Questions

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