Y mul pow add c mul x1 tan c c mul pow add x3 mul c x1 c add mul add c x3 add pow x1 c mul pow add x3 mul c x1 c add c mul x1 tan c add mul c mul pow x1 c add x3 mul c x1 mul x3 mul pow add x3 mul c x1 c add c mul x1 tan c