DLMF:4.22.E2
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Math Formula Information
Formula: Failed to parse (syntax error): {\displaystyle \cos@@{z}=\prod_{n=1}^{\infty}\left(1-\frac{4z^{2}}{(2n-1)^{2}\pi^{2}}\right).}
Name: DLMF:4.22.E2
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q1749