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Euler's Formula
Euler's Formula
Euler恒等式
e
i
θ
=
cos
θ
+
i
sin
θ
三角函数的复数形式
由Euler恒等式可以直接推得
cos
θ
=
2
e
i
θ
+
e
−
i
θ
,
sin
θ
=
−
i
(
2
e
i
θ
−
e
−
i
θ
)
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Table of Contents
Euler恒等式
三角函数的复数形式
Backlinks
Derive Fourier Transform from Fourier Series
Fourier Transform in Optics