Y add mul c mul pow x3 c mul pow add c x1 c mul pow add mul x3 x1 mul c mul x3 add c x0 c pow cos add c x1 c mul pow x3 c mul pow add c x1 c mul pow add mul x3 x1 mul c mul x3 add c x0 c mul pow cos add c x1 c add c add x0 mul c x1