document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=240660>Question 240660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hi,<BR>\n" );
document.write( "I am taking a course on N3 maths. Can you help me with the angle of inclination. <BR>\n" );
document.write( "The question reads as follows:Determine th slope and angle of inclination of the line passing through points (-2;4) and (4;-1).<BR>\n" );
document.write( "To get the andwer calculate m= y2-y1/x2-x1 thus:m=-(5/6)<BR>\n" );
document.write( "I know m=tan&#952; so if the value of m=-5/6 how do i use my calculator to get the degree of the angle? The answer in the book is &#952;=140.2 degrees?<BR>\n" );
document.write( "So how do I get the answer 140.2 degrees????\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #176296 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=176296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use your calculator and find the \"tan-1\" button. Mine is the yellow above TAN (TI-83)\r<BR>\n" );
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document.write( "Depends on the calc you have, but you need to find the 'arctan' or 'tan -1'. <BR>\n" );
document.write( "Tangent takes degrees and turns them into a ratio. <BR>\n" );
document.write( "ArcTan takes a ratio (fraction) and turns it into degrees.\r<BR>\n" );
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document.write( "When you plug in tan-1(5/6), you'll get 39.8 degrees. Now you need to know which quadrant the plot it in to find 180-39.8 </SPAN>\n" );
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