Add acos Add asin sinh x0 0.198690110349241 -1 
Mul -1 Mul Mul cosh x0 Pow sqrt Add 1 Mul -1 Mul sinh x0 sinh x0 -1 Pow sqrt Add 1 Mul -1 Mul Add asin sinh x0 0.198690110349241 Add asin sinh x0 0.198690110349241 -1 