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Trigonometry and Modelling

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Question 159

Solve, for 0≤θ<360∘0 \leq \theta < 360^\circ0≤θ<360∘, where 0≤k≤30 \leq k \leq 30≤k≤3,

3cos⁡θ−4sin⁡θ=k 3 \cos \theta - 4 \sin \theta = k 3cosθ−4sinθ=k

giving your answers in terms of kkk.

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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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