document.write( "Question 766929: find all real numbers that satisfy the equation \r
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document.write( "2 cos (3piX)= 1 \n" );
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Algebra.Com's Answer #467331 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! find all real numbers that satisfy the equation \n" ); document.write( "2 cos (3piX)= 1 \n" ); document.write( "---- \n" ); document.write( "cos(3piX) = 1/2 \n" ); document.write( "---- \n" ); document.write( "3piX = pi/3 or 60 degrees \n" ); document.write( "----- \n" ); document.write( "X = pi/9 or 20 degrees \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " \n" ); document.write( " |