Involving sin^-1(z-1/z+1)

Involving sin^-1(z-1/z+1) and coth^-1((-z)^1/2)

Involving sin^-1(z-1/z+1) and coth^-1(1/(-z)^1/2)

Involving sin^-1(z-1/z+1) and coth^-1((-1/z)^1/2)