csc Mul Pow x0 0.648054273663885 sec x0 
Mul Mul Mul -1 cot Mul Pow x0 0.648054273663885 sec x0 csc Mul Pow x0 0.648054273663885 sec x0 Add Mul sec x0 Mul Pow x0 -0.351945726336115 0.648054273663885 Mul Pow x0 0.648054273663885 Mul tan x0 sec x0 