sec Add cosh Add coth Add acot x0 -1.52988565646640 1 -4 
Mul Mul tan Add cosh Add coth Add acot x0 -1.52988565646640 1 -4 sec Add cosh Add coth Add acot x0 -1.52988565646640 1 -4 Mul sinh Add coth Add acot x0 -1.52988565646640 1 Mul Mul -1 Pow csch Add acot x0 -1.52988565646640 2 Mul -1 Pow Add 1 Mul x0 x0 -1 