Involving sin-1(z-1/z+1)
Involving sin-1(z-1/z+1) and tanh-1((-z)1/2)
Involving sin-1(z-1/z+1) and tanh-1(1/(-z)1/2)
Involving sin-1(z-1/z+1) and tanh-1((-1/z)1/2)
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