Involving sin^{-1}((((1+z^{2})^{1/2}-1)/(2(1+z^{2})^{1/2}))^{1/2})
Involving sin^{-1}((((1+z^{2})^{1/2}-1)/(2(1+z^{2})^{1/2}))^{1/2}) and tan^{-1}(z)
Involving sin^{-1}((((z^{2}+1)^{1/2}-1)/(2(z^{2}+1)^{1/2}))^{1/2}) and tan^{-1}(1/z)