document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=473409>Question 473409</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 0 is an acute angle and sin 0 =1/2,then cos 0=<BR>\n" );
document.write( "A.-1<BR>\n" );
document.write( "B.0<BR>\n" );
document.write( "C.1/2<BR>\n" );
document.write( "D.&#8730;3/2<BR>\n" );
document.write( "E.2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #324644 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=324644\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint: Use the idea that <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \sin^{2}(x)+\cos^{2}(x)=1\"> </SPAN>\n" );
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