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Trigonometry and Modelling

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Question 11

Solve, for 0≤θ<2π0 \leq \theta < 2\pi0≤θ<2π,

cos⁡(θ+5π6)=sin⁡θ \cos\left(\theta + \frac{5\pi}{6}\right) = \sin \theta cos(θ+65π​)=sinθ
[4]
Markscheme

Trigonometry and Modelling Questions

  1. A Level
  2. /Maths
  3. /Trigonometry and Modelling

348 exam-style questions on Edexcel A Level Maths Trigonometry and Modelling, covering 7.1 Addition Formulae, 7.2 Double Angle Formulae, 7.3 Solving Trigonometric Equations, 7.4 Simplifying a cos x +- b sin x, 7.5 Proving Trigonometric Identities, and 7.6 Modelling with Trigonometric Functions. Each one has a worked solution and a mark scheme showing where the marks go.

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