document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1206023>Question 1206023</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given:    (3i-7) \r<BR>\n" );
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document.write( " A. Write in polar form showing work.\r<BR>\n" );
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document.write( "B. What is the Cartesian form ?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #843208 by </B><A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><B>math_tutor2020(3817)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_tutor2020><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=843208\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font color=black size=3><BR>\n" );
document.write( "I'll discuss a different way to find the angle theta.\r<BR>\n" );
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document.write( "tan(theta) = y/x<BR>\n" );
document.write( "theta = arctan(y/x)<BR>\n" );
document.write( "theta = arctan(3/(-7))<BR>\n" );
document.write( "theta = -23.19859 degrees approximately\r<BR>\n" );
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document.write( "An angle coterminal to this is roughly -23.19859+360 = 336.80141 degrees\r<BR>\n" );
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document.write( "This places the angle in quadrant Q4 (southeast), but it should be in quadrant Q2 (northwest) as the other tutor illustrates. \r<BR>\n" );
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document.write( "We must subtract off 180 to get the angle pointed in the right direction.<BR>\n" );
document.write( "336.80141 - 180 = <font color=red>156.80141</font><BR>\n" );
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