coth acot Add -3 Pow 0.125000000000000 x0 
Mul Mul -1 Pow csch acot Add -3 Pow 0.125000000000000 x0 2 Mul -1 Mul Mul Pow 0.125000000000000 Add x0 -1 -1.95444154167984 Pow Add 1 Mul Add -3 Pow 0.125000000000000 x0 Add -3 Pow 0.125000000000000 x0 -1 