document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205836>Question 1205836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the following equations for all x, unless the domain is restricted.\r<BR>\n" );
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document.write( "4cos2(x) = 3\r<BR>\n" );
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document.write( "A. 30°° + 360°n<BR>\n" );
document.write( "B. 30° + 360°n, 330°° + 360°n<BR>\n" );
document.write( "C. 150° + 360°n, 210° + 360°n<BR>\n" );
document.write( "D. 30° + 360°n, 210° + 360°n<BR>\n" );
document.write( "E. 150° + 360°n, 360° + 360°n<BR>\n" );
document.write( "F. 30° + 360°n, 150° + 360°n, 210° + 360°n 330° + 360°n </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #842882 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=842882\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4cos%5E2%28x%29+=+3 ALIGN=MIDDLE  ALT=\"4cos%5E2%28x%29+=+3\"   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=cos%5E2%28x%29+=+3%2F4 ALIGN=MIDDLE  ALT=\"cos%5E2%28x%29+=+3%2F4\"   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=cos%28x%29+=+sqrt%283%2F4%29 ALIGN=MIDDLE  ALT=\"cos%28x%29+=+sqrt%283%2F4%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=cos%28x%29+=+sqrt%283%29%2F2 ALIGN=MIDDLE  ALT=\"cos%28x%29+=+sqrt%283%29%2F2\"   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=x=cos%5E-1%28sqrt%283%29%2F2%29 ALIGN=MIDDLE  ALT=\"x=cos%5E-1%28sqrt%283%29%2F2%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=x=pi%2F6=30 ALIGN=MIDDLE  ALT=\"x=pi%2F6=30\"   DISABLED_style= \"max-width:90%; height:auto;\" >° \r<BR>\n" );
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document.write( "general solutions:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=pi%2F6+%2B2pi%2An=30+%2B360%2An ALIGN=MIDDLE  ALT=\"x=pi%2F6+%2B2pi%2An=30+%2B360%2An\"   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=x=5pi%2F6+%2B2pi%2An=5%2A30%2B360%2An=150%2B360%2An ALIGN=MIDDLE  ALT=\"x=5pi%2F6+%2B2pi%2An=5%2A30%2B360%2An=150%2B360%2An\"   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=x=7pi%2F6+%2B2pi%2An=7%2A30%2B360%2An=210%2B360%2An ALIGN=MIDDLE  ALT=\"x=7pi%2F6+%2B2pi%2An=7%2A30%2B360%2An=210%2B360%2An\"   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=x=11pi%2F6+%2B2pi%2An=11%2A30%2B360%2An=330%2B360%2An ALIGN=MIDDLE  ALT=\"x=11pi%2F6+%2B2pi%2An=11%2A30%2B360%2An=330%2B360%2An\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "answer:<BR>\n" );
document.write( "F. 30° + 360°n, 150° + 360°n, 210° + 360°n ,330° + 360°n<BR>\n" );
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