Involving sech-1(z)
Involving sech-1(z) and coth-1((1-z2)1/2)
Involving sech-1(z) and coth-1(1/(1-z2)1/2)
Involving sech-1(z) and coth-1(1/1-z21/2)
Involving sech-1(z) and coth-1(2 (1-z2)1/2/z2-2)
Involving sech-1(z) and coth-1(z2-2/2 (1-z2)1/2)
Involving sech-1(z) and coth-1((1+z)1/2/(1-z)1/2)
Involving sech-1(z) and coth-1((-z-1)1/2/(z-1)1/2)
Involving sech-1(z) and coth-1(1+z/1-z1/2)
Involving sech-1(z) and coth-1((1-z)1/2/(1+z)1/2)
Involving sech-1(z) and coth-1((z-1)1/2/(-z-1)1/2)
Involving sech-1(z) and coth-1(1-z/1+z1/2)
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