Mul Mul 3 Add 3 x0 sec Add Pow x6 atan exp Pow x0 x7 tanh tan x7 
Add Mul sec Add Pow x6 atan exp Pow x0 x7 tanh tan x7 3 Mul Mul 3 Add 3 x0 Mul Mul tan Add Pow x6 atan exp Pow x0 x7 tanh tan x7 sec Add Pow x6 atan exp Pow x0 x7 tanh tan x7 Mul Pow x6 Add atan exp Pow x0 x7 -1 Mul Mul x6 log x6 Mul Mul exp Pow x0 x7 Mul Pow x0 Add x7 -1 x7 Pow Add 1 Mul exp Pow x0 x7 exp Pow x0 x7 -1 