Pow log tanh Add atan Mul atan sec x0 x0 x7 Add pi tan x6 
Mul Pow log tanh Add atan Mul atan sec x0 x0 x7 Add Add pi tan x6 -1 Mul Add pi tan x6 Mul Mul Pow sech Add atan Mul atan sec x0 x0 x7 2 Mul Add Mul x0 Mul Mul tan x0 sec x0 Pow Add 1 Mul sec x0 sec x0 -1 atan sec x0 Pow Add 1 Mul Mul atan sec x0 x0 Mul atan sec x0 x0 -1 Pow tanh Add atan Mul atan sec x0 x0 x7 -1 