de Moivre's theorem
noun Mathematics.
the theorem that a complex number raised to a given positive integral power is equal to the modulus of the number raised to the power and multiplied by the amplitude times the given power.
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Origin of de Moivre's theorem
named after A. de Moivre
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019