document.write( "Question 985071: solve for x for: sinx - sin2x = cosx on [-pi, pi] \n" ); document.write( "
Algebra.Com's Answer #605926 by Edwin McCravy(20060)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "sin(x) - sin(2x) = cos(x)\r\n" ); document.write( "\r\n" ); document.write( "Any way you try this it always involves solving a 4th degree polynomial \r\n" ); document.write( "equation, so I'd just use a graphing calculator to solve it. \r\n" ); document.write( "\r\n" ); document.write( "Solutions: -2.8084729373435, 1.2376766105486\r\n" ); document.write( "\r\n" ); document.write( "Edwin \n" ); document.write( " \n" ); document.write( " |