document.write( "Question 1084912: Determine the general solution for cos2x - 2sin2x = -1\r
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Algebra.Com's Answer #698953 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Determine the general solution for cos2x - 2sin2x = -1 \n" ); document.write( "---- \n" ); document.write( "Is it cos(2x) ? \n" ); document.write( "Or cos^2(x) ? \n" ); document.write( " |