Revision history of "Period of cosh"

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  • (cur | prev) 18:14, 7 August 2016Tom (talk | contribs). . (440 bytes) (+440). . (Created page with "==Theorem== The following formula holds for all $k \in \mathbb{Z}$: $$\cosh(z+2\pi i k)=\cosh(z),$$ where $\cosh$ denotes the hyperbolic cosine, $\pi$ denotes pi,...")