document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=965538>Question 965538</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove that ((sin^3(theta) + cos^3(theta))/(sin(theta) + cos(theta))) + sin(theta)cos(theta) = 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #590174 by </B><A HREF=/tutors/aboutme.mpl?userid=t0hierry><B>t0hierry(194)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=t0hierry><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=t0hierry><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=590174\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> call sin y and cos x\r<BR>\n" );
document.write( "\n" );
document.write( "x^3 + y^3 = (x^2 + y^2)*(x + y) - xy(x + y)\r<BR>\n" );
document.write( "\n" );
document.write( "here x^2 + y^2 =1\r<BR>\n" );
document.write( "\n" );
document.write( "so x^3 + y^3/(x+y) + yx = 1\r<BR>\n" );
document.write( "\n" );
document.write( "I call sin(theta) = y\r<BR>\n" );
document.write( "\n" );
document.write( "and cos(theta) = x\r<BR>\n" );
document.write( "\n" );
document.write( "just to make equations look simpler. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );