Add Mul Add Pow acot Mul x0 asec acoth Pow pi 0.833004055877372 x4 x0 x0 Pow x0 pi 
Add Add Mul x0 Add Mul Pow acot Mul x0 asec acoth Pow pi 0.833004055877372 Add x4 -1 Mul x4 Mul -1 Mul asec acoth Pow pi 0.833004055877372 Pow Add 1 Mul Mul x0 asec acoth Pow pi 0.833004055877372 Mul x0 asec acoth Pow pi 0.833004055877372 -1 1 Add Pow acot Mul x0 asec acoth Pow pi 0.833004055877372 x4 x0 Mul Pow x0 Add pi -1 pi 