Inverse hyperbolic secant : Representations through equivalent functions (subsection 27/02/09/18)

ArcSech

$Mathematica Notation$

Involving sech^-1((2z)^1/2/(z+a)^1/2)

Involving sech^-1((2z)^1/2/(z-1)^1/2) and cosh^-1(1/z)

Involving sech^-1((2z)^1/2/(z+1)^1/2) and cosh^-1(1/z)