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January 25, 2015

January 25, 2015

Posted by **Ana** on Thursday, June 10, 2010 at 9:58pm.

- Algebra 2 -
**Reiny**, Thursday, June 10, 2010 at 11:28pmclose, but remember that in the third quadrant the cosine is negative, so

cosØ = -√2/2

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