document.write( "Question 1093074: prove: sinx - sinx cos2x =sin3x \n" ); document.write( "
Algebra.Com's Answer #707686 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! prove: sinx - sinx cos2x =sin3x \n" ); document.write( "============= \n" ); document.write( "Is it cos^2(x) ? \n" ); document.write( "Or cos(2x) ? \n" ); document.write( "==================== \n" ); document.write( "Parentheses are free. Use some. \n" ); document.write( " \n" ); document.write( " |