atan Mul cosh cos Pow cosh x0 0.648054273663885 2.29243166956118 
Mul Mul 2.29243166956118 Mul sinh cos Pow cosh x0 0.648054273663885 Mul Mul -1 sin Pow cosh x0 0.648054273663885 Mul Pow cosh x0 -0.351945726336115 Mul 0.648054273663885 sinh x0 Pow Add 1 Mul Mul cosh cos Pow cosh x0 0.648054273663885 2.29243166956118 Mul cosh cos Pow cosh x0 0.648054273663885 2.29243166956118 -1 