Inverse hyperbolic tangent: Representations through equivalent functions (subsection 27/02/02/02/11)

ArcTanh

$Mathematica Notation$

Involving tanh^-1(z^1/2) and sin^-1(((1-z)^1/2-1)^1/2/(2^1/2(1-z)^1/4)) (3 formulas)