On 6/13/06, kirby urner <[EMAIL PROTECTED]> wrote: > If you had a Rational class handy, you could carry out a series > expansion for sine and cosine to get fully rational results, e.g.: > > sine (x) == sigma ( ((-1)**n * x ** (2*n + 1))/fact(2*n + 1) ) >
Like, sine of 1/3 radian is about: 27047072606210481759999009438891363156074338083237552748240939073 ------------------------------------------------------------------------------------------------------------------ 82663542138830139150090619203306227146181541524716231065600000000 expanding by some 20 terms. Kirby _______________________________________________ Edu-sig mailing list [email protected] http://mail.python.org/mailman/listinfo/edu-sig
