Y mul div c c mul x2 mul pow add mul pow x2 c pow x2 c tan add pow add c x3 c mul x3 x2 div c c mul pow add mul c x2 add mul c x2 mul c mul x2 pow add mul pow x2 c pow x2 c tan add pow add c x3 c mul x3 x2 div c c div c c mul add c pow tan add pow add c x3 c mul x3 x2 c add c add x2 mul c x3