Y mul pow x3 c mul pow add x1 add mul c sqrt x3 mul pow x3 c pow x4 c c mul add c add mul c x3 add mul c sqrt x3 mul pow x3 c pow x4 c cos mul pow x3 c mul pow add x1 add mul c sqrt x3 mul pow x3 c pow x4 c c add c add x1 x3