document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1180317>Question 1180317</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify completely:  1  -  2sin^2 (50˚) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #809945 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=809945\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "What does \"simplify\" mean for an expression like this?<br><BR>\n" );
document.write( "The other tutor EVALUATED the expression, which is one possible interpretation of your post.<br><BR>\n" );
document.write( "Another possible interpretation is using the double angle formula for cosine:<br><BR>\n" );
document.write( "cos(2x)=1-2sin(x)^2<br><BR>\n" );
document.write( "1-2sin(50)^2 = cos(100)<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );