Mul pi acsch Mul x0 atan asin Add -2 sech atan x5 
Mul pi Mul Mul -1 atan asin Add -2 sech atan x5 Pow Mul Mul Mul x0 atan asin Add -2 sech atan x5 Mul x0 atan asin Add -2 sech atan x5 sqrt Add 1 Mul -1 Pow Mul Mul x0 atan asin Add -2 sech atan x5 Mul x0 atan asin Add -2 sech atan x5 -1 -1 