Add Pow x0 sech Add asin Mul x3 x1 x0 x0 
Add Mul Pow x0 Add sech Add asin Mul x3 x1 x0 -1 Add sech Add asin Mul x3 x1 x0 Mul Mul x0 log x0 Mul tanh Add asin Mul x3 x1 x0 Mul -1 sech Add asin Mul x3 x1 x0 1 