asin acoth Pow x0 sec Add x5 x5 
Mul Mul Mul Pow x0 Add sec Add x5 x5 -1 sec Add x5 x5 Pow Add 1 Mul -1 Mul Pow x0 sec Add x5 x5 Pow x0 sec Add x5 x5 -1 Pow sqrt Add 1 Mul -1 Mul acoth Pow x0 sec Add x5 x5 acoth Pow x0 sec Add x5 x5 -1 