Y mul pow x1 c mul pow x5 c add mul x5 tan mul pow x5 c add c add mul c pow x2 c add mul c x2 mul x1 x5 mul c mul add c x2 mul add c pow tan mul pow x5 c add c add mul c pow x2 c add mul c x2 mul x1 x5 c add c add x2 mul c sqrt cos x5