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Message Posted: Fri, 18 May 2001 @ 15:44:07 GMT


     
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Subj:   Re: SQL challenge
 
From:   Geoffrey Rommel

The following page

www.interstice.com...

has a nice summary of ways to calculate sine and cosine without a built-in sin() function. Personally, I would be inclined to use method 2: just build a table with all the sines and cosines you want! (This is Teradata, after all.) You could populate it using a Perl or C program.

If you need to be really accurate, the Taylor series (method 6) is probably your best bet, but that's a lot of work.



     
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