acoth Pow x0 Add 2 csc Mul x2 Pow acot x5 x2 
Mul Mul Pow x0 Add Add 2 csc Mul x2 Pow acot x5 x2 -1 Add 2 csc Mul x2 Pow acot x5 x2 Pow Add 1 Mul -1 Mul Pow x0 Add 2 csc Mul x2 Pow acot x5 x2 Pow x0 Add 2 csc Mul x2 Pow acot x5 x2 -1 