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Mul Mul tan Add Mul Pow 1.18839510577812 x0 acoth x0 x0 sec Add Mul Pow 1.18839510577812 x0 acoth x0 x0 Add Add Mul acoth x0 Mul Pow 1.18839510577812 Add x0 -1 1.36099885204721 Mul Pow 1.18839510577812 x0 Pow Add 1 Mul -1 Mul x0 x0 -1 1 