Involving tan-1(1/z1/2)
Involving tan-1(1/z1/2) and sinh-1(2 (-z)1/2/1+z)
Involving tan-1(1/z1/2) and sinh-1(1/(-1-z)1/2)
Involving tan-1(1/z1/2) and sinh-1((-1/1+z)1/2)
Involving tan-1(1/z1/2) and sinh-1((-z)1/2/(z+1)1/2)
Involving tan-1(1/z1/2) and sinh-1(z1/2/(-z-1)1/2)
Involving tan-1(1/z1/2) and sinh-1((-z/z+1)1/2)
Involving tan-1(1/z1/2) and sinh-1((1-(1+z)1/2)1/2/(21/2(1+z)1/4))
Involving tan-1(1/z1/2) and sinh-1(((1-(1+z)1/2)/(2(1+z)1/2))1/2)
Involving tan-1(1/z1/2) and sinh-1((z1/2-(1+z)1/2)1/2/(21/2(1+z)1/4))
Involving tan-1(1/z1/2) and sinh-1(((z1/2-(1+z)1/2)/(2(1+z)1/2))1/2)
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