CAPE Pure Mathematics Unit 1 · May/June 2003 · Paper 2 · Question 4(a)
Solve cos 2θ - 3 cos θ = 1 for 0 ≤ θ < 2π.
The mark scheme is shown once you've answered.
Practise this questionSolve cos 2θ - 3 cos θ = 1 for 0 ≤ θ < 2π.
The mark scheme is shown once you've answered.
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