document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=518238>Question 518238</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Not quite understanding what they are asking please help<BR>\n" );
document.write( "Use the equation to determine f(x)=0<BR>\n" );
document.write( "f(x)=-3cos(pie x - pie/2)-2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #346946 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=346946\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use the equation to determine f(x)=0<BR>\n" );
document.write( "f(x)=-3cos(pie x - pie/2)-2 <BR>\n" );
document.write( "-3cos(&#960;x-&#960;/2)-2=0<BR>\n" );
document.write( "cos(&#960;x-&#960;/2)=-2/3<BR>\n" );
document.write( "(&#960;x-&#960;/2)=2.30 radians<BR>\n" );
document.write( "&#960;x=2.3+&#960;/2=3.87<BR>\n" );
document.write( "x=3.87/&#960;&#8776;1.23  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );