Inverse hyperbolic secant : Representations through equivalent functions (subsection 27/02/09/19)

ArcSech

$Mathematica Notation$

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

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

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