Y add mul c mul pow add c add x1 sqrt x2 c mul add c x3 mul add sqrt x2 mul div c c mul pow x2 div c c add c add x2 x3 sin mul sqrt x2 add c add x2 x3 mul div c c mul pow x2 div c c mul pow add c add x1 sqrt x2 c mul add c x3 cos mul sqrt x2 add c add x2 x3