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1 result for “de moivre”
Formulae (1)
Trigonometry
Advanced
De Moivre's Theorem
(
cos
θ
+
i
sin
θ
)
n
=
cos
n
θ
+
i
sin
n
θ
(\cos\theta + i\sin\theta)^n = \cos n\theta + i\sin n\theta
(
cos
θ
+
i
sin
θ
)
n
=
cos
n
θ
+
i
sin
n
θ
Powers of complex numbers in trig form.