document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=615761>Question 615761</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all the solution of the equation in the interval (0,2pi) \r<BR>\n" );
document.write( "\n" );
document.write( "sec^2x-1=0\r<BR>\n" );
document.write( "\n" );
document.write( "&\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "sinx-2=cosx-2  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #387360 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=387360\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find all the solution of the equation in the interval (0,2pi) <BR>\n" );
document.write( "sec^2x-1=0<BR>\n" );
document.write( "tan^2x=1<BR>\n" );
document.write( "tan x=±&#8730;1=±1<BR>\n" );
document.write( "x=&#960;/4, 3&#960;/4, 5&#960;/4, and 7&#960;/4<BR>\n" );
document.write( ".. <BR>\n" );
document.write( "sinx-2=cosx-2<BR>\n" );
document.write( "sinx=cosx<BR>\n" );
document.write( "sinx/cosx=1<BR>\n" );
document.write( "tanx=1<BR>\n" );
document.write( "x=&#960;/4 and 5&#960;/4 in quadrants I and III where tan>0 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );