document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1037930>Question 1037930</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boat travels 19 nautical miles in a direction N 30 E and then travels 25 nautical miles south-east. Express each of these displacements in component form (East and North) and hence find the displacement for the whole journey in polar form.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #652620 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=652620\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A boat travels 19 nautical miles in a direction N 30 E and then travels 25 nautical miles south-east. Express each of these displacements in component form (East and North) and hence find the displacement for the whole journey in polar form. <BR>\n" );
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document.write( "Use the Origin as the starting point, and 1 vertex of a triangle.<BR>\n" );
document.write( "A is the 1st turning point.<BR>\n" );
document.write( "B is the end point.<BR>\n" );
document.write( "OA = 19 nm<BR>\n" );
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document.write( "The boat turns 105 degs clock-wise --> OAB = 105 degs<BR>\n" );
document.write( "Side AB = 25 nm<BR>\n" );
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document.write( "Use the Cosine Law to find side OC, the final distance from the Origin.<BR>\n" );
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document.write( "Use the Law of Sines to find angle BOC.<BR>\n" );
document.write( "etc.<BR>\n" );
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