A-Level Further Maths Edexcel (9FM0)

#2.8 De Moivre's theorem

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Understand de Moivre's theorem and use it to find multiple angle
formulae and sums of series.

Skills

Apply de Moivre's theorem for integer powers
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Use de Moivre's theorem to derive multiple‑angle trigonometric identities
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Use de Moivre's theorem for sums of geometric series
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