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| -rw-r--r-- | Fourier Series.page | 2 |
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diff --git a/Fourier Series.page b/Fourier Series.page index 4cc80d6..8d68997 100644 --- a/Fourier Series.page +++ b/Fourier Series.page @@ -51,6 +51,8 @@ Thus, we see that both these functions could be expressed as sums of sines and c $$ \begin{array}{ccl} e^{i\theta} & = & \cos \theta + i \sin \theta\\ +e^{-i\theta} & = & \cos \theta - i \sin \theta\\ +\therefore\\ \end{array} $$ |