Involving coth^{-1}((a-z)^{1/2}/(-a-z)^{1/2})

Involving coth^{-1}((-1-z)^{1/2}/(1-z)^{1/2}) and sec^{-1}(1/z)

Involving coth^{-1}((1-z)^{1/2}/(-1-z)^{1/2}) and sec^{-1}(1/z)