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Trigonometry and Modelling

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Question 155

Solve, for −180≤θ<180∘-180 \leq \theta < 180^\circ−180≤θ<180∘,

4sin⁡2θ=ktan⁡θ 4 \sin 2\theta = k \tan \theta 4sin2θ=ktanθ

where 0<k<80<k<80<k<8, giving your answers in terms of kkk.

[6]
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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