document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=366440>Question 366440</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Verify the identity: (cos x-sin x)^2=1-sin2x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #261143 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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/cgi-bin/show-face.mpl?user=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=261143\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28cos+x-sin+x%29%5E2=1-sin2x ALIGN=MIDDLE  ALT=\"+%28cos+x-sin+x%29%5E2=1-sin2x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Now<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos+x%29%5E2-2%28sin+x%29%28cosx%29%2B%28sinx%29%5E2=+%28cos+x%29%5E2%2B%28sinx%29%5E2-2%28sin+x%29%28cosx%29+=+1+-+2%28sinx%29%28cosx%29+=+1-sin2x ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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