Pow Pow x1 Pow sec x6 x0 cos tanh x0 
Mul Pow Pow x1 Pow sec x6 x0 Add cos tanh x0 -1 Add Mul cos tanh x0 Mul Pow x1 Add Pow sec x6 x0 -1 Mul Mul x1 log x1 Mul Pow sec x6 Add x0 -1 Mul sec x6 log sec x6 Mul Mul Pow x1 Pow sec x6 x0 log Pow x1 Pow sec x6 x0 Mul Mul -1 sin tanh x0 Pow sech x0 2 