Involving tan-1(z)
Involving tan-1(z) and sinh-1(1/(-z2-1)1/2)
Involving tan-1(z) and sinh-1((-1/z2+1)1/2)
Involving tan-1(z) and sinh-1(z/(-1-z2)1/2)
Involving tan-1(z) and sinh-1((-z2)1/2/(1+z2)1/2)
Involving tan-1(z) and sinh-1((z2)1/2/(-1-z2)1/2)
Involving tan-1(z) and sinh-1((-z2/z2+1)1/2)
Involving tan-1(z) and sinh-1((1-(1+z2)1/2)1/2/(21/2(1+z2)1/4))
Involving tan-1(z) and sinh-1(((1-(1+z2)1/2)/(2(1+z2)1/2))1/2)
Involving tan-1(z) and sinh-1((z-(1+z2)1/2)1/2/(21/2(1+z2)1/4))
Involving tan-1(z) and sinh-1(((z-(1+z2)1/2)/(2(1+z2)1/2))1/2)
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