sec Mul 5 Mul -1 Pow Add sec x0 x5 1.31303528549933 
Mul Mul tan Mul 5 Mul -1 Pow Add sec x0 x5 1.31303528549933 sec Mul 5 Mul -1 Pow Add sec x0 x5 1.31303528549933 Mul 5 Mul -1 Mul Pow Add sec x0 x5 0.313035285499331 Mul 1.31303528549933 Mul tan x0 sec x0 