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Trigonometry and Modelling

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Question 19
a.

Determine a sequence of transformations which maps the graph of y=sin⁡xy = \sin xy=sinx onto the graph of y=2sin⁡x+4y = 2 \sin x + 4y=2sinx+4

[3]
b.

Calculate the minimum value of 12sin⁡x+4\displaystyle \frac{1}{2 \sin x + 4}2sinx+41​

[2]
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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