DLMF:4.28.E6
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Math Formula Information
Formula: Failed to parse (unknown function "\sech"): {\displaystyle \sech@@{z}=\frac{1}{\cosh@@{z}},}
Name: DLMF:4.28.E6
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q1843