cos asec Add csc x0 sec x0 
Mul Mul -1 sin asec Add csc x0 sec x0 Mul Add Mul Mul -1 cot x0 csc x0 Mul tan x0 sec x0 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Add csc x0 sec x0 Add csc x0 sec x0 -1 Add csc x0 sec x0 Add csc x0 sec x0 -1 