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

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

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

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