cbrt Add Add Mul sec x0 x0 -1 sec atan x0 
Mul Pow Mul Mul 3 cbrt Add Add Mul sec x0 x0 -1 sec atan x0 cbrt Add Add Mul sec x0 x0 -1 sec atan x0 -1 Add Add Mul x0 Mul tan x0 sec x0 sec x0 Mul Mul tan atan x0 sec atan x0 Pow Add 1 Mul x0 x0 -1 