document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1155862>Question 1155862</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the exact value between 0 to 2pi. <BR>\n" );
document.write( "tan (x/2)=cscx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #778557 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=778557\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the exact value between 0 to 2pi. <BR>\n" );
document.write( "tan (x/2)=cscx<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "Sub u for x/2<BR>\n" );
document.write( "---<BR>\n" );
document.write( "tan(u) = 1/sin(2u) = 1/(2*sin(u)*cos(u))<BR>\n" );
document.write( "sin(u)/cos(u) = 1/(2*sin(u)*cos(u))<BR>\n" );
document.write( "sin(u) = 1/(2*sin(u))<BR>\n" );
document.write( "2sin(u) = 1/sin(u)<BR>\n" );
document.write( "2sin^2(u) = 1<BR>\n" );
document.write( "sin^2(u) = 1/2<BR>\n" );
document.write( "==================\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );