Involving cos^-1(1/(c z)^1/2)

Involving cos^-1(1/z^1/2) and sinh^-1(1/(-z)^1/2)

Involving cos^-1(1/z^1/2) and sinh^-1((-1/z)^1/2)

Involving cos^-1(1/(-z)^1/2) and sinh^-1(1/z^1/2)

Involving cos^-1(1/(-z)^1/2) and sinh^-1(1/z^1/2)