DLMF:4.23.E42
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Math Formula Information
Formula: Failed to parse (unknown function "\aGudermannian"): {\displaystyle \aGudermannian@{x}=\ln@@{\tan@{\tfrac{1}{2}x+\tfrac{1}{4}\pi}}=\ln@{\sec@@{x}+\tan@@{x}}=\asinh@{\tan@@{x}}=\acsch@{\cot@@{x}}=\acosh@{\sec@@{x}}=\asech@{\cos@@{x}}=\atanh@{\sin@@{x}}=\acoth@{\csc@@{x}}.}
Name: DLMF:4.23.E42
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q1794