document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=787624>Question 787624</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I nee help with 2 questions. \r<BR>\n" );
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document.write( "cot (cos^-1(-5/13))\r<BR>\n" );
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document.write( "sec (sin^-1 (x)) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #478244 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=478244\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> cot (cos^-1(-5/13))<BR>\n" );
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document.write( "sec (sin^-1 (x))<BR>\n" );
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document.write( "let u=angle whose cos=(-5/13)<BR>\n" );
document.write( "or cos(u)=(-5/13)<BR>\n" );
document.write( "sin(u)=&#8730;(1-cos^2(x))=&#8730;(1-25/169)=&#8730;(144/169)=12/13<BR>\n" );
document.write( "cot(u)=cos(u)/sin(u)=-5/12<BR>\n" );
document.write( "..<BR>\n" );
document.write( "let v=angle whose sin=x<BR>\n" );
document.write( "or sin(v)=x<BR>\n" );
document.write( "cos(v)=&#8730;(1-sin^2(v))=&#8730;(1-x^2)<BR>\n" );
document.write( "sec(v)=1/cos(v)=1/&#8730;(1-x^2)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "cot (cos^-1(-5/13))=-5/12<BR>\n" );
document.write( "sec (sin^-1 (x))=1/&#8730;(1-x^2)<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Note: the inverse of a trig function is always an angle </SPAN>\n" );
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