document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=842392>Question 842392</A>: <I><SPAN STYLE=\"word-break: break-all;\"> prove 2 sin x 1 - sin ^ 2 x/2 cos x sin x equals cos x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #507838 by </B><A HREF=/tutors/aboutme.mpl?userid=hamsanash1981@gmail.com><B>hamsanash1981@gmail.com(151)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=hamsanash1981@gmail.com><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=507838\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> LHS =2*sinx*(1-sin^2x)/2*sinx*cosx<BR>\n" );
document.write( "=2*sinx*cos^2x/2*sinx*cosx<BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cosx ALIGN=MIDDLE  ALT=\"cosx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= RHS </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );