document.write( "Question 1049506: help verify (2cos theta+3 sin theta)^2 + (3cos theta - 2sin theta)^2 =13 \n" ); document.write( "
Algebra.Com's Answer #665064 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
 \"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( " \"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( " \"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( " \"4cos%5E2%28theta%29%2B9sin%5E2%28theta%29+%2B+9cos%5E2%28theta%29%2B4sin%5E2%28theta%29\"\"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( " \"13cos%5E2%28theta%29%2B13sin%5E2%28theta%29\"\"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( " \"13%28cos%5E2%28theta%29%5E%22%22%2B13sin%5E2%28theta%29%29\"\"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( " \"13%281%29\"\"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( " \"13\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );