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September 1, 2015

Homework Help: Mathematics

Posted by Lungelo masuku on Sunday, April 7, 2013 at 3:18pm.

If cosA is equal to 12/13 where 0 degrees is less than A less than 90 degrees, then tanA is equal to 3/4 where 0 degrees is less than A less than 90 degrees. Determine the ff:
Sin2A

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