document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=244836>Question 244836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solving trigonomic equations algebraically, in terms of pi<BR>\n" );
document.write( "cot^2(x)=1<BR>\n" );
document.write( "so far i got cot(x)=&#8730;1<BR>\n" );
document.write( "then what? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179001 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=179001\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Well remember that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%5E2=1 ALIGN=MIDDLE  ALT=\"1%5E2=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >. So take the square root of both sides to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1=sqrt%281%29 ALIGN=MIDDLE  ALT=\"1=sqrt%281%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. So taking the square root of 1 is just 1.\r<BR>\n" );
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document.write( "This gets you: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cot%28x%29=1 ALIGN=MIDDLE  ALT=\"cot%28x%29=1\"   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=1%2Ftan%28x%29=1 ALIGN=MIDDLE  ALT=\"1%2Ftan%28x%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Now use the identity <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cot%28x%29=1%2Ftan%28x%29 ALIGN=MIDDLE  ALT=\"cot%28x%29=1%2Ftan%28x%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=1=tan%28x%29 ALIGN=MIDDLE  ALT=\"1=tan%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply both sides by tan(x)\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=tan%28x%29=1 ALIGN=MIDDLE  ALT=\"tan%28x%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Can you solve it from here? You'll need to use the unit circle if you're not familiar with all of the trig values. </SPAN>\n" );
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