acos Pow 0.141897054604164 exp x0 
Mul -1 Mul Mul Pow 0.141897054604164 Add exp x0 -1 Mul -1.81075639726909 exp x0 Pow sqrt Add 1 Mul -1 Mul Pow 0.141897054604164 exp x0 Pow 0.141897054604164 exp x0 -1 