DLMF:4.35.E12
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Math Formula Information
Formula: Failed to parse (unknown function "\sech"): {\displaystyle \sech^{2}@@{z}=1-\tanh^{2}@@{z},}
Name: DLMF:4.35.E12
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q1886