document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=440209>Question 440209</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given F(x)= -2cos(pi times x + pi divided by 6)<BR>\n" );
document.write( "State the phase and period angle of F(x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #304341 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=304341\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given F(x)= -2cos(pi times x + pi divided by 6)<BR>\n" );
document.write( "State the phase and period angle of F(x)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Standard form for cos function: y=Acos(Bx-c)<BR>\n" );
document.write( "y=-2cos(pix+pi/6)<BR>\n" );
document.write( "Period for cos function=2pi/B=2pi/pi=2<BR>\n" );
document.write( "To find phase shift, set (Bx-c)=0, then solve for x<BR>\n" );
document.write( "pix+pi/6=0<BR>\n" );
document.write( "pix=-pi/6<BR>\n" );
document.write( "x=-1/6<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "Period=2<BR>\n" );
document.write( "Phase Shift=-1/6 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );