Mul Add 8 x0 Add Add Mul x6 sec Mul x0 Add x1 pi x0 Mul Pow x3 x0 x1 
Add Add Add Mul x6 sec Mul x0 Add x1 pi x0 Mul Pow x3 x0 x1 Mul Add 8 x0 Add Add Mul x6 Mul Mul tan Mul x0 Add x1 pi sec Mul x0 Add x1 pi Add x1 pi 1 Mul x1 Mul Pow x3 Add x0 -1 Mul x3 log x3 