asec tanh Add -0.416146836547142 log x0 
Mul Mul Pow sech Add -0.416146836547142 log x0 2 Pow x0 -1 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul tanh Add -0.416146836547142 log x0 tanh Add -0.416146836547142 log x0 -1 tanh Add -0.416146836547142 log x0 tanh Add -0.416146836547142 log x0 -1 