document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=765165>Question 765165</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please verify the following identity:\r<BR>\n" );
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document.write( "cos^4 x + sin^2 x = cos^2 x + sin^4 x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #465989 by </B><A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><B>Tatiana_Stebko(1539)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Tatiana_Stebko><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=Tatiana_Stebko><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=465989\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28x%29%29%5E4+%2B+%28sin%28x+%29%29%5E2=+%28cos%28x%29%29%5E2+%2B+%28sin%28x%29%29%5E4 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Rewrite identity <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28x%29%29%5E4+-+%28sin%28x+%29%29%5E4=+%28cos%28x%29%29%5E2+-+%28sin%28x%29%29%5E2 ALIGN=MIDDLE  ALT=\"%28cos%28x%29%29%5E4+-+%28sin%28x+%29%29%5E4=+%28cos%28x%29%29%5E2+-+%28sin%28x%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28cos%28x%29%29%5E2%29%5E2+-+%28%28sin%28x+%29%29%5E2%29%5E2=+%28cos%28x%29%29%5E2+-+%28sin%28x%29%29%5E2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "use <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a%5E2-b%5E2=%28a-b%29%28a%2Bb%29 ALIGN=MIDDLE  ALT=\"a%5E2-b%5E2=%28a-b%29%28a%2Bb%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28x%29%29%5E2+%2B%28sin%28x%29%29%5E2=1 ALIGN=MIDDLE  ALT=\"%28cos%28x%29%29%5E2+%2B%28sin%28x%29%29%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28cos%28x%29%29%5E2-+%28sin%28x+%29%29%5E2%29%28%28cos%28x%29%29%5E2+%2B+%28sin%28x%29%29%5E2%29=+%28cos%28x%29%29%5E2+-+%28sin%28x%29%29%5E2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28%28cos%28x%29%29%5E2-+%28sin%28x+%29%29%5E2%29%2A1=+%28cos%28x%29%29%5E2+-+%28sin%28x%29%29%5E2 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28x%29%29%5E2-+%28sin%28x+%29%29%5E2=+%28cos%28x%29%29%5E2+-+%28sin%28x%29%29%5E2 ALIGN=MIDDLE  ALT=\"%28cos%28x%29%29%5E2-+%28sin%28x+%29%29%5E2=+%28cos%28x%29%29%5E2+-+%28sin%28x%29%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > correct identity  </SPAN>\n" );
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