Add Pow Add x0 acoth asinh x2 pi asec asinh x0 
Add Mul Pow Add x0 acoth asinh x2 Add pi -1 pi Mul Pow sqrt Add 1 Mul x0 x0 -1 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul asinh x0 asinh x0 -1 asinh x0 asinh x0 -1 