Inverse hyperbolic cosine: Representations through equivalent functions (subsection 27/02/12/17)

ArcCosh

$Mathematica Notation$

Involving cosh^-1((z+c)^1/2/(2 z)^1/2)

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

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