document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=813716>Question 813716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An explanation to my question would be greatly appreciated.  I have many of these problems to do and Im not sure how to do it.  I am allowed to use excel, so i am able to get partial answer, but there are two answers to my questions, and I dont know how to get the second one.  Please help.\r<BR>\n" );
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document.write( "Solve: Cos(x) = 0.5, give all answers between 0 thru 360 degrees.  \r<BR>\n" );
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document.write( "I know that I can take the inverse and get an answer of 60 degrees.  But the answers in the book are telling me that there is a second answer, being 300 degrees.  How do I get the second answer?  PS: I got the 60 degrees from Excel.  \r<BR>\n" );
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document.write( "Thanks for your time, this site is so very helpful.  Sherry </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489938 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=489938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "An explanation to my question would be greatly appreciated.  I have many of these problems to do and Im not sure how to do it.  I am allowed to use excel, so i am able to get partial answer, but there are two answers to my questions, and I dont know how to get the second one.  Please help.\r<BR>\n" );
document.write( "\n" );
document.write( "Solve: Cos(x) = 0.5, give all answers between 0 thru 360 degrees.  \r<BR>\n" );
document.write( "\n" );
document.write( "I know that I can take the inverse and get an answer of 60 degrees.  But the answers in the book are telling me that there is a second answer, being 300 degrees.  How do I get the second answer?  PS: I got the 60 degrees from Excel.  \r<BR>\n" );
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document.write( "Thanks for your time, this site is so very helpful.  Sherry\r<BR>\n" );
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document.write( "The POSITIVE reference angle of cos (x) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2 ALIGN=MIDDLE  ALT=\"1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or .5 is in the 4th quadrant where cos in POSITIVE. This degree measure is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5pi%2F3 ALIGN=MIDDLE  ALT=\"5pi%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28300%5Eo%29 ALIGN=MIDDLE  ALT=\"highlight_green%28300%5Eo%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. You can verify this by checking the unit circle.\r<BR>\n" );
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document.write( "You can do the check!! \r<BR>\n" );
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document.write( "Send comments, “thank-yous,” and inquiries to “D” at MathMadEzy@aol.com. Further help is available, online or in-person, for a fee, obviously. \r<BR>\n" );
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document.write( "For FREE info and answers to questions about the ASVAB exam, the NYS 3 – 8 city/state wide exams, GENERAL MATH QUESTIONS, MATH HOMEWORK QUESTIONS, or MATH QUESTIONS related to the Regents Integrated Algebra, Regents Geometry, Regents Algebra 2/Trigonometry, SHSAT, COOP/HSPT/TACHS, PSAT, SAT, ACT, SSAT/ISEE, GRE, CLEP, and the GED, you can visit: http://asvabstudyzone.freeforums.net/. </SPAN>\n" );
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