Involving sinh^-1(((1-(1+z²)^1/2)/(2(1+z²)^1/2))^1/2)

Involving sinh^-1(((1-(1+z²)^1/2)/(2(1+z²)^1/2))^1/2) and tan^-1(z)

Involving sinh^-1(((1-(1+z²)^1/2)/(2(1+z²)^1/2))^1/2) and tan^-1(1/z)