Y add mul c mul pow x1 c mul pow add x2 add x1 mul c x1 c pow cos mul x1 mul pow x2 c pow add c x1 c c add mul c mul x1 mul pow add x2 add x1 mul c x1 c pow cos mul x1 mul pow x2 c pow add c x1 c c mul pow x1 c mul pow x2 c mul pow add c x1 c mul pow add x2 add x1 mul c x1 c mul pow cos mul x1 mul pow x2 c pow add c x1 c c sin mul x1 mul pow x2 c pow add c x1 c