Y mul div c c mul pow add x2 mul x2 mul pow x1 c mul abs x2 abs tan x1 div c c mul add div c c add mul div c c mul pow x1 c mul abs x2 abs tan x1 mul div c c mul x2 mul pow x1 c mul abs tan x1 sign x2 sin sqrt add x2 mul x2 mul pow x1 c mul abs x2 abs tan x1