Difference between revisions of "Euler's formula"
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Revision as of 04:12, 7 June 2016
Theorem
The following formula holds: $$e^{iz}=\cos(z)+i\sin(z),$$ where $e^{iz}$ denotes the exponential function, $\cos$ denotes the cosine, $i$ denotes the imaginary number, and $\sin$ denotes the sine.
