IGCSE
EDEXCEL
Further Mathematics
13 Marks
QP-FurtherPureMath-202301-P2 · Question 10
Question (excerpt):
28 10 Using formulae given on page 2 (a) show that (i) sin 2θ = 2sin θ cos θ (ii) cos 2θ = 2cos2 θ – 1 (5) Given that θ ≠ (90° + 180° n) where n (b) use the results from part (a) to show th…
28 10 Using formulae given on page 2 (a) show that (i) sin 2θ = 2sin θ cos θ (ii) cos 2θ = 2cos2 θ – 1 (5) Given that θ ≠ (90° + 180° n) where n (b) use the results from part (a) to show th…
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