document.write( "Question 768229: 2cos^2 2pi/3-1 double angle formula \n" ); document.write( "
Algebra.Com's Answer #468155 by Alan3354(69443) You can put this solution on YOUR website! 2cos^2 2pi/3-1 double angle formula \n" ); document.write( "----------- \n" ); document.write( "What's your question? \n" ); document.write( " \n" ); document.write( " |