document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=30793>Question 30793</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to solve for t:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2t+%28+sin+%28t%5E2%2B1+%29+%2B+cos+%28+t%5E2%2B1+%29%29%5E2+-+4tsin+%28+t%5E2%2B1+%29+cos+%28+t%5E2%2B1+%29+=+2+ ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "I have no idea where to start.  Thank you for you help.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #17523 by </B><A HREF=/tutors/aboutme.mpl?userid=Fermat><B>Fermat(136)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fermat><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=Fermat><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=17523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Yo gonna kick yo'sel<BR>\n" );
document.write( "To simplify things,let u = t²+1<BR>\n" );
document.write( "we can then write out your eqn as,<BR>\n" );
document.write( "2t(sinu + cosu)² - 4t.sinu.cosu = 2<BR>\n" );
document.write( "2t(sin²u + 2sinu.cosu + cos²u) - 2t.sin2u = 2<BR>\n" );
document.write( "2t(1 + sin2u) - 2t.sin2u = 2<BR>\n" );
document.write( "2t + 2t.sin2u - 2t.sin2u = 2<BR>\n" );
document.write( "2t = 2<BR>\n" );
document.write( "t = 1<BR>\n" );
document.write( "===== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );