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Question 89

When x x\,x is small,

show that tan⁡(3x)cos⁡(4x)\tan (3x) \cos (4x)tan(3x)cos(4x) can be approximated by 3x−15x33x - 15x^33x−15x3

[3]
Markscheme

Radians Questions

  1. A Level
  2. /Maths
  3. /Radians

278 exam-style questions on Edexcel A Level Maths Radians, covering 5.1 Radian Measure, 5.2 Arc Length, 5.3 Areas of Sectors and Segments, 5.4 Solving Trigonometric Equations, and 5.5 Small Angle Approximations. Each one has a worked solution and a mark scheme showing where the marks go.

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