document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=821398>Question 821398</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1) Verify: tanx/sec-1=secx+1/tanx </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #494264 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=494264\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Verify: tanx/sec-1=secx+1/tanx<BR>\n" );
document.write( "***<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28x%29%2F%28sec%28x%29-1%29=sec%28x%29%2B1%2Ftan%28x%29 ALIGN=MIDDLE  ALT=\"tan%28x%29%2F%28sec%28x%29-1%29=sec%28x%29%2B1%2Ftan%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "start with left side<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28x%29%2F%28sec%28x%29-1%29=%28sin%28x%29%2Fcos%28x%29%29%2F%281%2Fcos%28x%29-1%29=sin%28x%29%2F%281-cos%28x%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sin%28x%29%2F%281-cos%28x%29%29%29%2A%28%281%2Bcos%28x%29%29%2F%281%2Bcos%28x%29%29%29=%28sin%28x%29%2Bsin%28x%29cos%28x%29%29%2F%281-cos%5E2%28x%29%29=%28sin%28x%29%2Bsin%28x%29cos%28x%29%29%2F%28sin%5E2%28x%29%29=%281%2Fsin%28x%29%29%2B%28cos%28x%29%2Fsin%28x%29%29=csc%28x%29%2B%281%2Ftan%28x%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "not verified: I got csc(x) instead of matching sec(x)<BR>\n" );
document.write( "Check if I interpreted given identity correctly. </SPAN>\n" );
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