exp Mul sin Add Add Add x0 x0 -0.250000000000000 sec x0 pi 
Mul exp Mul sin Add Add Add x0 x0 -0.250000000000000 sec x0 pi Mul pi Mul cos Add Add Add x0 x0 -0.250000000000000 sec x0 Add 2 Mul tan x0 sec x0 