a ArcSec[x] + b ArcCosh[y] == (Pi a)/2 - 2 I Pi (Floor[(-Arg[(Sqrt[1 - 1/x^2] + I/x)^(I a)] - Arg[(y + Sqrt[y - 1] Sqrt[y + 1])^b] + Pi)/(2 Pi)] + Floor[(Pi - Im[b Log[y + Sqrt[y - 1] Sqrt[y + 1]]])/(2 Pi)] + Floor[(Pi - Re[a Log[Sqrt[1 - 1/x^2] + I/x]])/(2 Pi)]) + Log[(Sqrt[1 - 1/x^2] + I/x)^(I a) (y + Sqrt[y - 1] Sqrt[y + 1])^b]

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2007-05-02