document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=867725>Question 867725</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sec &#963; = -4, 180° < &#963; < 270°. Find the exact value of sin &#963;/2 and cos &#963;/2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #523220 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=523220\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> sec &#963; = -4, 180° < &#963; < 270°. Find the exact value of sin &#963;/2 and cos &#963;/2<BR>\n" );
document.write( "use x for &#963;<BR>\n" );
document.write( "sec(x)=-4<BR>\n" );
document.write( "cos(x)=-1/4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28x%2F2%29=sqrt%28%281%2Bcos%28x%29%29%2F2%29=sqrt%28%281-1%2F4%29%2F2%29=sqrt%28%283%2F4%29%2F2%29=sqrt%283%2F8%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28x%2F2%29=sqrt%28%281-cos%28x%29%29%2F2%29=sqrt%28%281%2B1%2F4%29%2F2%29=sqrt%28%285%2F4%29%2F2%29=sqrt%285%2F8%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );