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