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September 18, 2014

September 18, 2014

Posted by **Alycia** on Thursday, November 1, 2012 at 8:49pm.

Problem 1. tanx-cotx = (cscx/cosx)-(2cosx/sinx)

Problem 2. (1/1-sinx) - (1/1+sinx) = 2tanxSecx

- Math -
**revan**, Thursday, November 1, 2012 at 8:55pmgfvhmmghfjcgfjcjgh

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