document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=809419>Question 809419</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use inverse functions where needed to find all solutions of the equation in the interval [0, 2&#960;). (Enter your answers as a comma-separated list.)<BR>\n" );
document.write( "sec^2 x &#8722; 4 sec x = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #487605 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=487605\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find all solutions of the equation in the interval [0, 2&#960;)<BR>\n" );
document.write( "sec^2 x &#8722; 4 sec x = 0<BR>\n" );
document.write( "secx(secx-4)=0<BR>\n" );
document.write( "secx=0 (reject, secx&#8800;0)<BR>\n" );
document.write( "secx=4<BR>\n" );
document.write( "cosx=1/4<BR>\n" );
document.write( "x&#8776;1.32, 4.97 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );