document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1107637>Question 1107637</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me to prove this. Thank you. <BR>\n" );
document.write( "(cos(1/2 x)+sin(1/2 x))/(cos (1/2 x)-(sin(1/2 x))=secx+tanx<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 #722656 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=722656\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> please help me to prove this. Thank you. <BR>\n" );
document.write( "(cos(1/2 x)+sin(1/2 x))/(cos (1/2 x)-(sin(1/2 x))=secx+tanx<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28x%29%2Bsin%28x%29%29%2F%28cos%28x%29-sin%28x%29%29+=+sec%282x%29+%2B+tan%282x%29+=+%281+%2B+sin%282x%29%29%2Fcos%282x%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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