Y mul pow add c add sqrt x2 mul add c add pow add c x2 c mul c x4 cos x2 c add mul add c add sqrt x2 mul add c add pow add c x2 c mul c x4 cos x2 cos x2 mul div c c mul sqrt x2 add mul c cos x2 add mul sqrt x2 mul pow cos x2 c add c mul c x2 mul c mul sqrt x2 mul add c sqrt x2 sin x2