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April 19, 2015

April 19, 2015

Posted by **Anonymous** on Monday, November 15, 2010 at 9:10pm.

- trig -
**Reiny**, Monday, November 15, 2010 at 9:55pmso

cos Ø = 2/√7 , and sinØ is negative

so Ø must be in quadrant IV

Ø = 319.107° or 5.569 radians

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