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