Involving sech^{-1}(z+1/z-1)

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

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

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