Wednesday

October 1, 2014

October 1, 2014

Posted by **Anonymous** on Sunday, March 20, 2011 at 11:55am.

1. (cotA+cosecA-1)/(cotA-cosecA+1)=cosecA+cotA

2. (sinA-cosA+1)/(sinA+cosA-1)=

1/(secA-tanA)

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