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Fformwla de Moivre
Mae
theorem de Moivre
yn nodi fod:
{
cos
(
θ
)
+
sin
(
θ
)
i
}
n
=
cos
(
n
θ
)
+
sin
(
n
θ
)
i
{\displaystyle \{\cos {(\theta )}+\sin {(\theta )i}\}^{n}=\cos {(n\theta )}+\sin {(n\theta )i}\,}
Eginyn
erthygl sydd uchod am
fathemateg
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