asech Add csc Mul x3 x2 atan x0 
Mul Pow Add 1 Mul x0 x0 -1 Pow Mul Mul Add csc Mul x3 x2 atan x0 Add csc Mul x3 x2 atan x0 sqrt Add 1 Mul -1 Pow Mul Add csc Mul x3 x2 atan x0 Add csc Mul x3 x2 atan x0 -1 -1 