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October 1, 2014

October 1, 2014

Posted by **joann** on Tuesday, January 14, 2014 at 1:34pm.

- Calculus -
**Damon**, Tuesday, January 14, 2014 at 1:54pmAre you sure x is not approaching zero?

then you have

cos x = 1 - x^2/2 ......

and

sin (x^2/2)/x

= x/2

= 0

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