document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=756974>Question 756974</A>: <I><SPAN STYLE=\"word-break: break-all;\"> prove as an identity;\r<BR>\n" );
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document.write( "sin(2x) = 2sin^3(x)cos(x) + 2sin(x)cos^3(x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #460595 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=460595\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> prove as an identity; <BR>\n" );
document.write( "sin(2x) = 2sin^3(x)cos(x) + 2sin(x)cos^3(x)<BR>\n" );
document.write( "***<BR>\n" );
document.write( "start with RHS:<BR>\n" );
document.write( "2sin^3(x)cos(x) + 2sin(x)cos^3(x)<BR>\n" );
document.write( "2(sin(x)cos(x)(sin^2(x)+cos^2(x))<BR>\n" );
document.write( "2(sin(x)cos(x)(1)<BR>\n" );
document.write( "sin(2x)<BR>\n" );
document.write( "verified: RHS=LHS </SPAN>\n" );
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