document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=454351>Question 454351</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve;\r<BR>\n" );
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document.write( "sin(x)+sin(2x)=0\r<BR>\n" );
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document.write( "I understand that sin(2x)=2sin(x)cos(x), so here is what I have right now:\r<BR>\n" );
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document.write( "sin(x)+2sin(x)cos(x)=0\r<BR>\n" );
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document.write( "I don't understand how to factor it any further. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #312013 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=312013\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sin(x)+2sin(x)cos(x)=0 <BR>\n" );
document.write( "I don't understand how to factor it any further.<BR>\n" );
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document.write( "Factor out the common factor, sin(x):<BR>\n" );
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document.write( "sin(x)[1+2cos(x)] = 0<BR>\n" );
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document.write( "sin(x) = 0 or 1+2cos(x) = 0<BR>\n" );
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document.write( "sin(x) = 0 or cos(x) = -1/2<BR>\n" );
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document.write( "x = 0, or 180 or 240 or 300 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "========== </SPAN>\n" );
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