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3.4 Trigonometry (A-level only)

3.4 Trigonometry (A-level only)

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Question 6

One of the expressions below is equal to sin⁡2A \sin 2A\,sin2A for all values of AAA.

Identify this expression.

Tick one box.

A

2sin⁡Acos⁡A2\sin A\cos A2sinAcosA

B

sin⁡Acos⁡A\sin A\cos AsinAcosA

C

2sin⁡A2\sin A2sinA

D

sin⁡2A−cos⁡2A\sin^2 A - \cos^2 Asin2A−cos2A

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.

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