Y mul c mul pow x1 div c c mul pow x4 c mul pow add c x1 div c c mul pow add x1 add sqrt x1 mul x1 x4 c mul add mul sqrt add c x1 mul add c add mul c sqrt x1 mul c mul x4 sqrt x1 cos sqrt add c x1 mul c mul sqrt x1 mul add x1 add sqrt x1 mul x1 x4 sin sqrt add c x1 cos sqrt add c x1