Mul Pow x3 asech Add -0.252840339869332 x0 E 
Mul E Mul Pow x3 Add asech Add -0.252840339869332 x0 -1 Mul Mul x3 log x3 Pow Mul Mul Add -0.252840339869332 x0 Add -0.252840339869332 x0 sqrt Add 1 Mul -1 Pow Mul Add -0.252840339869332 x0 Add -0.252840339869332 x0 -1 -1 