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Mul Mul tan Add Pow exp Mul x3 Add -1 x0 x6 Pow x3 x2 sec Add Pow exp Mul x3 Add -1 x0 x6 Pow x3 x2 Mul Pow exp Mul x3 Add -1 x0 Add x6 -1 Mul x6 Mul exp Mul x3 Add -1 x0 x3 