Pow exp Add csc x0 1 csch x0 
Mul Pow exp Add csc x0 1 Add csch x0 -1 Add Mul csch x0 Mul exp Add csc x0 1 Mul Mul -1 cot x0 csc x0 Mul Mul exp Add csc x0 1 log exp Add csc x0 1 Mul Mul -1 coth x0 csch x0 