document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205306>Question 1205306</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find all exact solutions on [0, 2𝜋).  (Enter your answers as a comma-separated list.)<BR>\n" );
document.write( "2 cos^2(t) + cos(t) = 1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #842012 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=842012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "given:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2cos%5E2%28t%29+%2B+cos%28t%29+=+1 ALIGN=MIDDLE  ALT=\"2cos%5E2%28t%29+%2B+cos%28t%29+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "Find all exact solutions on [<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0 ALIGN=MIDDLE  ALT=\"0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2pi ALIGN=MIDDLE  ALT=\"2pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2cos%5E2%28t%29+%2B+cos%28t%29+=+1 ALIGN=MIDDLE  ALT=\"2cos%5E2%28t%29+%2B+cos%28t%29+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2cos%5E2%28t%29+%2B+cos%28t%29+-+1=0 ALIGN=MIDDLE  ALT=\"2cos%5E2%28t%29+%2B+cos%28t%29+-+1=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >...write <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28t%29+ ALIGN=MIDDLE  ALT=\"cos%28t%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-cos%28t%29+%2B2cos%28t%29+ ALIGN=MIDDLE  ALT=\"-cos%28t%29+%2B2cos%28t%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2cos%5E2%28t%29+-cos%28t%29%2B2cos%28t%29+-+1=0 ALIGN=MIDDLE  ALT=\"2cos%5E2%28t%29+-cos%28t%29%2B2cos%28t%29+-+1=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >...group\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282cos%5E2%28t%29+%2B2cos%28t%29%29-%28cos%28t%29+%2B1%29=0 ALIGN=MIDDLE  ALT=\"%282cos%5E2%28t%29+%2B2cos%28t%29%29-%28cos%28t%29+%2B1%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2cos%28t%29%28cos%28t%29+%2B1%29-%28cos%28t%29+%2B1%29=0 ALIGN=MIDDLE  ALT=\"2cos%28t%29%28cos%28t%29+%2B1%29-%28cos%28t%29+%2B1%29=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28t%29+%2B+1%29+%282cos%28t%29+-+1%29+=+0 ALIGN=MIDDLE  ALT=\"%28cos%28t%29+%2B+1%29+%282cos%28t%29+-+1%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "solutions:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28cos%28t%29+%2B+1%29+=0 ALIGN=MIDDLE  ALT=\"%28cos%28t%29+%2B+1%29+=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > =><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28t%29+=-1+ ALIGN=MIDDLE  ALT=\"cos%28t%29+=-1+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=cos%5E-1%28-1%29 ALIGN=MIDDLE  ALT=\"t=cos%5E-1%28-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=pi ALIGN=MIDDLE  ALT=\"t=pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282cos%28t%29+-+1%29+=+0+ ALIGN=MIDDLE  ALT=\"%282cos%28t%29+-+1%29+=+0+\"   DISABLED_style= \"max-width:90%; height:auto;\" >=> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cos%28t%29+=1%2F2 ALIGN=MIDDLE  ALT=\"cos%28t%29+=1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > =><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=cos%5E-1%281%2F2%29 ALIGN=MIDDLE  ALT=\"t=cos%5E-1%281%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > => <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=pi%2F3 ALIGN=MIDDLE  ALT=\"t=pi%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " all exact solutions on [<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0 ALIGN=MIDDLE  ALT=\"0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2pi ALIGN=MIDDLE  ALT=\"2pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >)\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=pi ALIGN=MIDDLE  ALT=\"t=pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=pi%2F3 ALIGN=MIDDLE  ALT=\"t=pi%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=5pi%2F3 ALIGN=MIDDLE  ALT=\"t=5pi%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );