Add Add -4 Add -2 Add 5 x4 Add Add x0 Pow sec Mul x1 x0 Add Mul x6 x0 x4 x0 
Add Add 1 Mul Pow sec Mul x1 x0 Add Add Mul x6 x0 x4 -1 Add Mul Add Mul x6 x0 x4 Mul Mul tan Mul x1 x0 sec Mul x1 x0 x1 Mul Mul sec Mul x1 x0 log sec Mul x1 x0 x6 1 