Pow Add sec x0 -1 Pow x0 sech acsc Mul x2 sech x4 
Mul Pow Add sec x0 -1 Add Pow x0 sech acsc Mul x2 sech x4 -1 Add Mul Pow x0 sech acsc Mul x2 sech x4 Mul tan x0 sec x0 Mul Mul Add sec x0 -1 log Add sec x0 -1 Mul Pow x0 Add sech acsc Mul x2 sech x4 -1 sech acsc Mul x2 sech x4 