document.write( "Question 91506: If Theta is an acute angle with sinTheta = 3/5, find the exact value of cos2Theta. \n" ); document.write( "
Algebra.Com's Answer #66467 by Nate(3500)\"\" \"About 
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\"sin%5E2%28x%29+%2B+cos%5E2%28x%29+=+1\"
\n" ); document.write( "\"%283%2F5%29%5E2+%2B+cos%5E2%28x%29+=+1\"
\n" ); document.write( "\"9%2F25+%2B+cos%5E2%28x%29+=+1\"
\n" ); document.write( "\"cos%5E2%28x%29+=+16%2F25\"
\n" ); document.write( "
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