document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=634670>Question 634670</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the phase shift of the following equation?<BR>\n" );
document.write( " y=-4cos(3x+&#960;) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #399775 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=399775\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what is the phase shift of the following equation?<BR>\n" );
document.write( "y=-4cos(3x+&#960;)<BR>\n" );
document.write( "Equation for cos function: Acos(Bx-C), A=amplitude, Period=2&#960;/B, Phase shift=C/B<BR>\n" );
document.write( "For given cos function: y=-4cos(3x+&#960;)<BR>\n" );
document.write( "Amplitude=4<BR>\n" );
document.write( "B=3<BR>\n" );
document.write( "Period=2&#960;/3=2&#960;/3<BR>\n" );
document.write( "C=&#960;<BR>\n" );
document.write( "phase shift=C/B=&#960;/3 (to the left) </SPAN>\n" );
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