document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=811541>Question 811541</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a question i need to solve in my trig class\r<BR>\n" );
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document.write( "A ship sails N75degreesE for 90 nautical miles and then S10degreesW for 100 nautical miles. How far is the ship, then, from the starting point, and in what direction. \r<BR>\n" );
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document.write( "Could you help me out with this one </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488822 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=488822\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A ship sails N75degreesE for 90 nautical miles and then S10degreesW for 100 nautical miles. How far is the ship, then, from the starting point, and in what direction. <BR>\n" );
document.write( "Could you help me out with this one<BR>\n" );
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document.write( "End-point DATA::<BR>\n" );
document.write( "x-coordinate: 90cos(75)+100cos(190) = -75.2<BR>\n" );
document.write( "y-coordinate: 90sin(75)+100sin(190) = 69.6<BR>\n" );
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document.write( "Distance from (0,0) starting point::<BR>\n" );
document.write( "d = sqrt[75.2^2+69.6^2] = 102.4 nautica miles<BR>\n" );
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document.write( "Direction:<BR>\n" );
document.write( "arctan(69.6/-75.2) = 180-42.8 = 137.2 or W42.8degreesN<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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