Mul x0 sec Mul Pow x3 x0 0.881373587019543 
Add sec Mul Pow x3 x0 0.881373587019543 Mul x0 Mul Mul tan Mul Pow x3 x0 0.881373587019543 sec Mul Pow x3 x0 0.881373587019543 Mul 0.881373587019543 Mul Pow x3 Add x0 -1 Mul x3 log x3 