tan Mul Add Pow x3 x0 Pow Mul atan Add x6 x0 asec x1 x0 0.429203673205103 
Mul Pow sec Mul Add Pow x3 x0 Pow Mul atan Add x6 x0 asec x1 x0 0.429203673205103 2 Mul 0.429203673205103 Add Mul Pow x3 Add x0 -1 Mul x3 log x3 Mul Pow Mul atan Add x6 x0 asec x1 Add x0 -1 Add Mul x0 Mul asec x1 Pow Add 1 Mul Add x6 x0 Add x6 x0 -1 Mul Mul atan Add x6 x0 asec x1 log Mul atan Add x6 x0 asec x1 