acot acoth Add cos x1 Pow coth x3 x0 
Mul -1 Mul Mul Mul Pow coth x3 Add x0 -1 Mul coth x3 log coth x3 Pow Add 1 Mul -1 Mul Add cos x1 Pow coth x3 x0 Add cos x1 Pow coth x3 x0 -1 Pow Add 1 Mul acoth Add cos x1 Pow coth x3 x0 acoth Add cos x1 Pow coth x3 x0 -1 