7 Practice: Use De Moivre’s theorem to find (-1 + i√3 )12 a. Convert the complex number to trig form:b. Then use De Moivre’s Theoem to find the valueAnswer: 4096
8 Grab your book and calculator De Moivre’s TheoremPowers of Complex Numbers
9 Who was De MoivreA brilliant French mathematician who was persecuted in France because of his religious beliefs. De Moivre moved to England where he tutored mathematics privately and became friends with Sir Isaac Newton.De Moivre made a breakthrough in the fields of probability (writing the Doctrine of Chance), but more importantly for IB HL students he moved trigonometry into the field of analysis through complex numbers with De Moivre’s theorem.
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