Mul Add x0 x0 acot Add cot sec Pow x0 sech pi x0 
Add Mul acot Add cot sec Pow x0 sech pi x0 2 Mul Add x0 x0 Mul -1 Mul Add Mul Mul -1 Pow csc sec Pow x0 sech pi 2 Mul Mul tan Pow x0 sech pi sec Pow x0 sech pi Mul Pow x0 Add sech pi -1 sech pi 1 Pow Add 1 Mul Add cot sec Pow x0 sech pi x0 Add cot sec Pow x0 sech pi x0 -1 