Y mul c mul x1 mul x3 mul pow add c add mul c cos add pow x1 c mul c x3 mul c mul pow add c x3 c pow add x5 mul x3 pow x5 c c c mul add c pow tan mul x3 pow add c add mul c cos add pow x1 c mul c x3 mul c mul pow add c x3 c pow add x5 mul x3 pow x5 c c c c sin add pow x1 c mul c x3