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Mul Mul tan csch tan Add x1 Mul x5 atan x0 sec csch tan Add x1 Mul x5 atan x0 Mul Mul Mul -1 coth tan Add x1 Mul x5 atan x0 csch tan Add x1 Mul x5 atan x0 Mul Pow sec Add x1 Mul x5 atan x0 2 Mul x5 Pow Add 1 Mul x0 x0 -1 