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