DeMoivre's theorem

noun
De·Moi·vre's theorem | \ di-ˈmȯi-vərz- , -ˈmwäv(-rə)z- \

Definition of DeMoivre's theorem 

: a theorem of complex numbers: the nth power of a complex number has for its absolute value and its argument respectively the nth power of the absolute value and n times the argument of the complex number

First Known Use of DeMoivre's theorem

1840, in the meaning defined above

History and Etymology for DeMoivre's theorem

Abraham De Moivre †1754 French mathematician

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The first known use of DeMoivre's theorem was in 1840

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