Pow Pow x6 Mul Pow Add pi asech acot sec Mul x2 x2 x0 x6 -1 
Mul Pow Pow x6 Mul Pow Add pi asech acot sec Mul x2 x2 x0 x6 2 Mul -1 Mul Pow x6 Add Mul Pow Add pi asech acot sec Mul x2 x2 x0 x6 -1 Mul Mul x6 log x6 Mul x6 Mul Pow Add pi asech acot sec Mul x2 x2 Add x0 -1 Mul Add pi asech acot sec Mul x2 x2 log Add pi asech acot sec Mul x2 x2 