Pow csc Mul -4 Add Add log tanh x0 sec x0 x1 x6 
Mul Pow csc Mul -4 Add Add log tanh x0 sec x0 x1 Add x6 -1 Mul x6 Mul Mul Mul -1 cot Mul -4 Add Add log tanh x0 sec x0 x1 csc Mul -4 Add Add log tanh x0 sec x0 x1 Mul -4 Add Mul Pow sech x0 2 Pow tanh x0 -1 Mul tan x0 sec x0 