DLMF:4.45.E8
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Math Formula Information
Formula: Failed to parse (unknown function "\atan"): {\displaystyle 2\atan@@{\frac{x}{1+(1+x^{2})^{1/2}}}=\atan@@{x},}
Name: DLMF:4.45.E8
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q2014