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September 20, 2014

September 20, 2014

Posted by **Shelli** on Thursday, September 20, 2007 at 9:49pm.

- Calculus... -
**drwls**, Thursday, September 20, 2007 at 11:04pmsin (a+x) = sin a cos x + sin x cos a

As x-> 0, cos x -> 1 and sin a -> 0

Therefore sin (a+x) approaches sin a

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