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