document.write( "Question 1126040: Express as a product\r
\n" );
document.write( "\n" );
document.write( "1-2sina-cos2a\r
\n" );
document.write( "\n" );
document.write( "I know formulas but not how to apply \n" );
document.write( "
Algebra.Com's Answer #742389 by Alex.33(110) You can put this solution on YOUR website! 1-2sina-cos2a=1-2sina-(1-2sin^2(a))=2sin^2(a)-2sina=2sina(sina-1) \n" ); document.write( "This is the most simplified and good-looking product form I can reach. Hope that helps! \n" ); document.write( " |