Mul cos Mul pi coth sec Pow sec cos Add x0 x1 3 4 
Mul 4 Mul Mul -1 sin Mul pi coth sec Pow sec cos Add x0 x1 3 Mul pi Mul Mul -1 Pow csch sec Pow sec cos Add x0 x1 3 2 Mul Mul tan Pow sec cos Add x0 x1 3 sec Pow sec cos Add x0 x1 3 Mul Pow sec cos Add x0 x1 2 Mul 3 Mul Mul tan cos Add x0 x1 sec cos Add x0 x1 Mul -1 sin Add x0 x1 