document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1188571>Question 1188571</A>: <I><SPAN STYLE=\"word-break: break-all;\"> draw the diagrams and find the 2 values of θ, 0 degrees ≤ θ ≥ 360 degrees\r<BR>\n" );
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document.write( "(a) tan θ= -0.4663\r<BR>\n" );
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document.write( "(b) cos θ= -0.3420 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #819694 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52806)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=819694\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
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document.write( "I ask my calculator about arctan(-0.4663) in degrees.\r\n" );
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document.write( "It gives me the value of -25°.\r\n" );
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document.write( "It is the angle in QIV, equivalent to -25+360 = 360-25 = 335 degrees.\r\n" );
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document.write( "Another angle with this value of tan is in QII;  it is  -25° + 180° = 155°.\r\n" );
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document.write( "So, the two angles for this part of the problem are  155° in QII and  335° in QIV.\r\n" );
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document.write( "So, the first part is solved and completed.\r<BR>\n" );
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document.write( "Can you make the second part in a similar way ?\r<BR>\n" );
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document.write( "You may report me about your progress and/or your final answer.\r<BR>\n" );
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document.write( "<U>Comment from student</U> : &nbsp;for the cos θ= -0.3420 , &nbsp;the angles are &nbsp;110 &nbsp;and &nbsp;250, &nbsp;is that correct?\r<BR>\n" );
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document.write( "<U>My response</U> : &nbsp;&nbsp;It is correct.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Good job !  &nbsp;&nbsp;My congratulations !\r<BR>\n" );
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document.write( " </SPAN>\n" );
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