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Mul cos sec Add Mul 4 atan sec x0 Add Mul Pow Add x0 x6 -2 -5 x0 Mul Mul tan Add Mul 4 atan sec x0 Add Mul Pow Add x0 x6 -2 -5 x0 sec Add Mul 4 atan sec x0 Add Mul Pow Add x0 x6 -2 -5 x0 Add Mul 4 Mul Mul tan x0 sec x0 Pow Add 1 Mul sec x0 sec x0 -1 Add Mul -5 Mul Pow Add x0 x6 3 -2 1 