Mul Add atanh Pow Add sec x5 asec x3 x0 Mul x0 pi x0 
Add Mul x0 Add Mul Mul Pow Add sec x5 asec x3 Add x0 -1 Mul Add sec x5 asec x3 log Add sec x5 asec x3 Pow Add 1 Mul -1 Mul Pow Add sec x5 asec x3 x0 Pow Add sec x5 asec x3 x0 -1 pi Add atanh Pow Add sec x5 asec x3 x0 Mul x0 pi 