document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=236197>Question 236197</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how would i verify the identity: (sect-1)/tsect= (1-cost)/t </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #173900 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=173900\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> verify the identity: (sect-1)/tsect= (1-cost)/t<BR>\n" );
document.write( "=====<BR>\n" );
document.write( "Cross-multiply to get:<BR>\n" );
document.write( "t(sec(t)-1) = tsec(t)(1-cos(t))<BR>\n" );
document.write( "t(sec(t)) - t = tsec(t) - tsec(t)(cos(t))<BR>\n" );
document.write( "-------------------------------------------<BR>\n" );
document.write( "Subtract tsec(t) from both sides to get:<BR>\n" );
document.write( "-t = -tsec(t)(cos(t))<BR>\n" );
document.write( "----<BR>\n" );
document.write( "-t = -t*1<BR>\n" );
document.write( "-t = -t<BR>\n" );
document.write( "=============================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );