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January 31, 2015

January 31, 2015

Posted by **Nikki** on Sunday, July 15, 2012 at 5:49pm.

sin^2(x) = cos^2(x/2)

- Trigonometry -
**Damon**, Sunday, July 15, 2012 at 6:01pmNow you can try this one given what I have shown you before.

- Trigonometry -
**Nikki**, Sunday, July 15, 2012 at 6:19pmWould it be the same answer as the other problem?

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