Mul Add Mul x3 asin Add csc Mul Pow sech Pow pi x2 asin x2 -1 Add E x0 acot x0 x0 
Add Mul x0 Add Mul x3 Pow sqrt Add 1 Mul -1 Mul Add csc Mul Pow sech Pow pi x2 asin x2 -1 Add E x0 Add csc Mul Pow sech Pow pi x2 asin x2 -1 Add E x0 -1 Mul -1 Pow Add 1 Mul x0 x0 -1 Add Mul x3 asin Add csc Mul Pow sech Pow pi x2 asin x2 -1 Add E x0 acot x0 