document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=198570>Question 198570</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which expression is NOT equivalent to cos2&#952; ?<BR>\n" );
document.write( "a. cosē &#952; -sinē &#952; <BR>\n" );
document.write( "b. 2cosē &#952; -1<BR>\n" );
document.write( "c. 1-2sinē &#952; <BR>\n" );
document.write( "d. 2sin&#952; cos&#952; \r<BR>\n" );
document.write( "\n" );
document.write( "Is it D? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #149092 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=149092\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are correct. The answer is D. The expression <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE 2\sin(\theta)\cos(\theta)\"> is equal to <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \sin(2\theta)\"> (ie <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \sin(2\theta)=2\sin(\theta)\cos(\theta)\">) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );