Pow 2 Mul acosh Add -0.653643620863612 sinh log sec x0 x6 
Mul Pow 2 Add Mul acosh Add -0.653643620863612 sinh log sec x0 x6 -1 Mul 2.69314718055995 Mul x6 Mul Mul cosh log sec x0 Mul Mul tan x0 sec x0 Pow sec x0 -1 Pow Mul sqrt Add Add -0.653643620863612 sinh log sec x0 -1 sqrt Add 1 Add -0.653643620863612 sinh log sec x0 -1 