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July 30, 2015

Homework Help: PRE CALC

Posted by pleasehelp! on Friday, March 4, 2011 at 12:54am.

1. solve tan36 degrees- tan2degrees/ 1+tan36 degrees tan 2 degrees as a single function.

2. Find the exact value of sin (α-β) if sina=4/5 and cos β= -9/41 terminal side of α lies in I and terminal side of β lies in III

3. If cosx=1/12 and sinx > 0, find tan2x

thankyou!

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