document.write( "Question 1094866: could you please help me find sin(2x) and cos(2x)\r
\n" ); document.write( "\n" ); document.write( "sinx= 3/√10 and pi/2 < x < pi\r
\n" ); document.write( "\n" ); document.write( "the answers that I was getting were very wrong
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Algebra.Com's Answer #709457 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
What answers did you get, and how did you get them?
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\n" ); document.write( "How do you know they're \"very wrong\" and not just wrong?
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