de Moivre's formula (English, name)
expansion: de Moivre's formula
Senses:
topics: mathematics
sciences
glosses: A formula that connects trigonometry and complex numbers, stating that, for any complex number (and, in particular, for any real number) x and integer n, big ( cos (x)+i sin (x) big )ⁿ= cos (nx)+i sin (nx), where i is the imaginary unit.
Forms: