document.write( "Question 930587: Find the exact values of sin 2α, cos 2α, and tan 2α given the following information. \r
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\n" ); document.write( "\n" ); document.write( "sin 2α = ?
\n" ); document.write( "cos 2α = ?
\n" ); document.write( "tan 2α = ?
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Algebra.Com's Answer #565129 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
This is all covered in great detail on wikipedia - half angle formulas.
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