sec Pow x0 Add Add x0 Mul x7 x3 sech exp Pow pi acot asec x4 
Mul Mul tan Pow x0 Add Add x0 Mul x7 x3 sech exp Pow pi acot asec x4 sec Pow x0 Add Add x0 Mul x7 x3 sech exp Pow pi acot asec x4 Mul Pow x0 Add Add Add x0 Mul x7 x3 sech exp Pow pi acot asec x4 -1 Add Add Add x0 Mul x7 x3 sech exp Pow pi acot asec x4 Mul x0 log x0 