Skip to content

Course home

Sign up

1.5 Trigonometry

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748
Question 3

Solve, for −180≤x≤180-180 \leq x \leq 180−180≤x≤180, the equation,

cos⁡2x+3cos⁡x−1=0 \cos 2x + 3 \cos x - 1 = 0 cos2x+3cosx−1=0
[5]
Markscheme

1.5 Trigonometry Questions

  1. A Level
  2. /Maths
  3. /1.5 Trigonometry

97 exam-style questions on WJEC A Level Maths 1.5 Trigonometry, covering 1.5.1 Trigonometry, 1.5.2 Trigonometry, 1.5.3 Trigonometry, 1.5.4 Trigonometry, and 1.5.5 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank