document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=813171>Question 813171</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine whether the following equation are true or false:\r<BR>\n" );
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document.write( "csc(5pi)+sec(-pi/3)=[cot^2(3pi/4)+tan^2(7pi/4]^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489590 by </B><A HREF=/tutors/aboutme.mpl?userid=jsmallt9><B>jsmallt9(3758)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jsmallt9><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=489590\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> False.<br><BR>\n" );
document.write( "To find this answer you only need to look at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=csc%285pi%29 ALIGN=MIDDLE  ALT=\"csc%285pi%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5pi ALIGN=MIDDLE  ALT=\"5pi\"   DISABLED_style= \"max-width:90%; height:auto;\" > is two full revolutions plus one <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi ALIGN=MIDDLE  ALT=\"pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sin%28pi%29 ALIGN=MIDDLE  ALT=\"sin%28pi%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is zero, and since csc is the reciprocal of sin and since there is no reciprocal for zero, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=csc%285pi%29 ALIGN=MIDDLE  ALT=\"csc%285pi%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is undefined. This makes the equation impossible. </SPAN>\n" );
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