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 tanh^-1(z)

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