document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=799834>Question 799834</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What are the solutions of the equation tan(x/2)-sin(x)=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #482855 by </B><A HREF=/tutors/aboutme.mpl?userid=DrBeeee><B>DrBeeee(684)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=DrBeeee><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=482855\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given;<BR>\n" );
document.write( "(1) tan(x/2) - sin(x) = 0 or<BR>\n" );
document.write( "(2) tan(x/2) = sin(x)<BR>\n" );
document.write( "Use the half angle idenity of the tangent function given by<BR>\n" );
document.write( "(3) tan(x/2) = sin(x)/(1+cos(x))<BR>\n" );
document.write( "Substitute (2) into (3) and get<BR>\n" );
document.write( "(4) sin(x) = sin(x)/(1+cos(x)) or<BR>\n" );
document.write( "(5) 1 = 1/(1+cos(x)) or<BR>\n" );
document.write( "(6) 1+cos(x) = 1 or<BR>\n" );
document.write( "(7) cos(x) = 0<BR>\n" );
document.write( "(8) x = arcos(0) or<BR>\n" );
document.write( "(9) x = + or - 90 and all angles + or - 180 from 90 or<BR>\n" );
document.write( "Answer:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=%282n-1%29%2Api%2F2 ALIGN=MIDDLE  ALT=\"+x+=%282n-1%29%2Api%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >  where n is any integer<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );