Difference between revisions of "Weierstrass factorization of cosh"
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Revision as of 01:51, 17 April 2015
Theorem: The Weierstrass factorization of $\cosh(x)$ is $$\cosh x = \displaystyle\prod_{k=1}^{\infty} 1 + \dfrac{4x^2}{(2k-1)^2\pi^2}.$$
Proof: █
