Involving csch^-1((c z²)^1/2)

Involving csch^-1((z₂)^1/2) and cosh^-1(i/z)

Involving csch^-1((-z²)^1/2) and cosh^-1(1/z)

Involving csch^-1((z₂)^1/2) and cosh^-1(1+2/z²)