document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132365>Question 132365</A>: <I><SPAN STYLE=\"word-break: break-all;\"> verify that one side equals the other only work out one side\r<BR>\n" );
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document.write( "2sinxcos^3x+2sin^2xcosx = sin2x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #96729 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=96729\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2sinxcos^3x+2sin^2xcosx = sin2x<BR>\n" );
document.write( "Factor the left side to get:<BR>\n" );
document.write( "2sinxcosx(cos^2x + sin^2x) = sin2x<BR>\n" );
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document.write( "But cos^2x + sin^2x = 1, So<BR>\n" );
document.write( "(2sinxcosx)*1 = sin2x<BR>\n" );
document.write( "But 2sinxcosx = sin2x, So<BR>\n" );
document.write( "sin2x = sin2x<BR>\n" );
document.write( "===================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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