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September 30, 2014

September 30, 2014

Posted by **cj** on Monday, May 3, 2010 at 7:20pm.

cot(-t)+csc(-t)/sin(-t)=1/1-cos(t)

- trig -
**Anonymous**, Monday, May 3, 2010 at 8:22pmsin^2x/1-cosx=1 cosx

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