document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1017050>Question 1017050</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you simplify 2cos^2 25 -1 using the double angle formula<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #633415 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=633415\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Using <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \cos 2x = 2 \cos^2 x - 1\">, if x = 25, then 2x = 50. So the simplified form is <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\large \cos 50^{\circ}\">. </SPAN>\n" );
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