document.write( "Question 814946: Use the half angle formula to simplify the expression √((1+cos4x)/2)\r
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Algebra.Com's Answer #490727 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Use the half angle formula to simplify the expression √((1+cos4x)/2) \n" ); document.write( "*** \n" ); document.write( " \n" ); document.write( ".. \n" ); document.write( " |