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October 20, 2014

October 20, 2014

Posted by **jj reddick** on Sunday, October 24, 2010 at 5:53pm.

- trig -
**bobpursley**, Sunday, October 24, 2010 at 5:55pm(1+cosx)/(1-cosX)*secx/secx

(secx+1)/(secx-1)

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