Skip to content

Course home

Trigonometry

Trigonometry

Medium
1234
Question 2
a.

Write down sin⁡2x \sin 2x\,sin2x in terms of sin⁡x \sin x\,sinx and cos⁡x\cos xcosx.

[1]
b.

Find, for 0<x<π0 < x < \pi0<x<π, all the solutions of the equation

cosec x−8cos⁡x=0. \text{cosec } x - 8 \cos x = 0. cosec x−8cosx=0.

giving your answers to 2 decimal places.

[5]
Markscheme

Trigonometry Questions

  1. A Level
  2. /Old Maths
  3. /Trigonometry

4 exam-style questions on Edexcel A Level Old Maths Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank