Formula:7817

Digital Library of Mathematical Functions ID 22.16.E5

${\displaystyle{\displaystyle\operatorname{am}\left(x,1\right)=\operatorname{gd}\left(x\right).}}$

Symbols List

• ${\displaystyle{\displaystyle\operatorname{gd}\NVar{x}}}$: Gudermannian function
• ${\displaystyle{\displaystyle\operatorname{am}\left(\NVar{x},\NVar{k}\right)}}$: Jacobi’s amplitude function
• ${\displaystyle{\displaystyle x}}$: real
 

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