document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=754838>Question 754838</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 0 is less than/equal to x less than/equal to 360<BR>\n" );
document.write( "What are all values of x for cos^2x-1=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #459353 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=459353\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If 0 is less than/equal to x less than/equal to 360<BR>\n" );
document.write( "What are all values of x for cos^2x-1=0<BR>\n" );
document.write( "***<BR>\n" );
document.write( "cos^2x-1=0<BR>\n" );
document.write( "cos^2x=1<BR>\n" );
document.write( "cosx=±&#8730;1<BR>\n" );
document.write( "cosx=±1<BR>\n" );
document.write( "cosx=1<BR>\n" );
document.write( "x=0<BR>\n" );
document.write( "or<BR>\n" );
document.write( "cosx=-1<BR>\n" );
document.write( "x=180º<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );