document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=870816>Question 870816</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation for solutions over the interval [0,  360). Give solutions to the nearest tenth as appropriate.\r<BR>\n" );
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document.write( "Cos^2(theta) - sin^2(theta) = 0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525163 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=525163\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Cos^2(theta) - sin^2(theta) = 0<BR>\n" );
document.write( "cos(2theta)=0<BR>\n" );
document.write( "2theta=90&#730;, 270&#730;<BR>\n" );
document.write( "theta=45&#730;, 135&#730; </SPAN>\n" );
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