Y add mul x3 mul pow cos add c x1 c mul add c mul c mul x3 pow x2 c cos x1 add mul c mul x3 mul pow cos add c x1 c mul add x1 add x2 add mul x3 mul pow x2 c add x2 mul c x1 tan x2 sin x1 mul x3 mul pow cos add c x1 c mul add x1 add x2 add mul x3 mul pow x2 c add x2 mul c x1 tan x2 mul cos x1 sin add c x1