document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=817411>Question 817411</A>: <I><SPAN STYLE=\"word-break: break-all;\"> im stuck on this problem \r<BR>\n" );
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document.write( "Given that sin theta = .6820 and that theta is in quadrant I. find cos theta/2? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #492048 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=492048\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given that sin theta = .6820 and that theta is in quadrant I. find cos theta/2?<BR>\n" );
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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 ALIGN=MIDDLE  ALT=\"cos%28x%2F2%29=sqrt%28%281%2Bcos%28x%29%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cos(x)=&#8730;(1-sin^2x)=&#8730;(1-(.682)^2)&#8776;&#8730;(1-.4651)&#8776;&#8730;.5349&#8776;.7314<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28x%2F2%29=sqrt%28%281%2B.7314%29%2F2%29=sqrt%28%281.7314%29%2F2%29=sqrt%28.8657%29=0.9304 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "..<BR>\n" );
document.write( "calculator check:<BR>\n" );
document.write( "sin(x)=.6820<BR>\n" );
document.write( "x&#8776;43&#730;<BR>\n" );
document.write( "x/2&#8776;21.5&#730;<BR>\n" );
document.write( "cos(x/2)&#8776;cos(21.5&#730;)&#8776;0.9304<BR>\n" );
document.write( "value as calculated&#8776;0.9304 </SPAN>\n" );
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