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Last modified on 2 August 2013, at 13:28
A-level Mathematics/MEI/C4/Trigonometry
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Reciprocal trigonometrical functions
Compound-angle formulae
Double-angle formulae
The factor formulae
The forms of r cos(θ ± α),r sin(θ ± α)
Small-angle approximations
The general solutions of trigonometrical equations
Using trigonometrical identities in integration