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