document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=224522>Question 224522</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How can I solve: ln(cosx)=-1\r<BR>\n" );
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document.write( "the answer I think is 1371.58 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #167715 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=167715\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ln(cosx)=-1\r<BR>\n" );
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document.write( "First \"undo\" the ln by raising both sides as a power of e.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=e%5E%28ln%28cosx%29%29=e%5E-1 ALIGN=MIDDLE  ALT=\"e%5E%28ln%28cosx%29%29=e%5E-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cosx=e%5E-1 ALIGN=MIDDLE  ALT=\"cosx=e%5E-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Next, undo the cos function by using the arccos function:<BR>\n" );
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document.write( "Using a calculator, I got 68.42 degrees.  If the calculator is in radian mode, I got 1.19 radians.\r<BR>\n" );
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document.write( "R^2 </SPAN>\n" );
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