document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=438458>Question 438458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove that the given is an identity. \r<BR>\n" );
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document.write( "1 + (1/cosx)= tan^2x/(secx-1)  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #303246 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=303246\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove that the given is an identity. <BR>\n" );
document.write( "1 + (1/cosx)= tan^2x/(secx-1)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "starting with right side<BR>\n" );
document.write( "tan^2x/(secx-1)<BR>\n" );
document.write( "sec^2x-1/secx-1<BR>\n" );
document.write( "(secx+1)(secx-1)/(secx-1)<BR>\n" );
document.write( "secx+1=1/cosx+1<BR>\n" );
document.write( "right side= left side </SPAN>\n" );
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