atan Mul acsc Add sec x0 x6 x0 
Mul Add Mul x0 Mul -1 Mul Mul tan x0 sec x0 Pow Mul Mul sqrt Add 1 Mul -1 Pow Mul Add sec x0 x6 Add sec x0 x6 -1 Add sec x0 x6 Add sec x0 x6 -1 acsc Add sec x0 x6 Pow Add 1 Mul Mul acsc Add sec x0 x6 x0 Mul acsc Add sec x0 x6 x0 -1 