asec sec Add asec x0 atan x5 
Mul Mul Mul tan Add asec x0 atan x5 sec Add asec x0 atan x5 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul x0 x0 -1 x0 x0 -1 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul sec Add asec x0 atan x5 sec Add asec x0 atan x5 -1 sec Add asec x0 atan x5 sec Add asec x0 atan x5 -1 