acot Add Mul Add x2 tanh x0 1.58740105196820 0.481211825059603 
Mul -1 Mul Mul 1.58740105196820 Pow sech x0 2 Pow Add 1 Mul Add Mul Add x2 tanh x0 1.58740105196820 0.481211825059603 Add Mul Add x2 tanh x0 1.58740105196820 0.481211825059603 -1 