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April 1, 2015

April 1, 2015

Posted by **John** on Thursday, February 3, 2011 at 3:38am.

- trig -
**Damon**, Thursday, February 3, 2011 at 3:55amsin/cos * cos/sin - 1 = 1-1 = 0

1 - (1/cos)*cos = 1-1 = 0

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