Involving csch-1(21/2 (1-z2)1/4/(1-(1-z2)1/2)1/2)
Involving csch-1(21/2 (1-z2)1/4/(1-(1-z2)1/2)1/2) and tanh-1(z)
Involving csch-1(21/2 (1-z2)1/4/(1-(1-z2)1/2)1/2) and tanh-1(1/z)