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

Involving coth^-1((-1-z)^1/2/(1-z)^1/2) and sinh^-1(i z)

Involving coth^-1((1-z)^1/2/(-1-z)^1/2) and sinh^-1(i z)