document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=453881>Question 453881</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A plane is flying 240 mph heading N60°E. The wind is blowing S30°E at 30 mph.\r<BR>\n" );
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document.write( "What is ground speed of the plane?<BR>\n" );
document.write( "What is the smallest angle in the triangle?<BR>\n" );
document.write( "What is the biggest angle in the triangle?<BR>\n" );
document.write( "What is the remaining angle in the triangle?<BR>\n" );
document.write( "What is the bearing of the plane? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311761 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=311761\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A plane is flying 240 mph heading N60°E. <BR>\n" );
document.write( "The wind is blowing S30°E at 30 mph.<BR>\n" );
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document.write( "Plane components:<BR>\n" );
document.write( "xp = 240cos(60)<BR>\n" );
document.write( "yp = 240sin(60)<BR>\n" );
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document.write( "Wind components:<BR>\n" );
document.write( "xw = 30cos(30)<BR>\n" );
document.write( "yw = 30sin(30)<BR>\n" );
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document.write( "  <BR>\n" );
document.write( "What is ground speed of the plane?<BR>\n" );
document.write( "Actual plane position after one hour in the air:<BR>\n" );
document.write( "(240cos(6)+30cos(30);240sin(60)+30sin(3)) = (145.98,222.85)<BR>\n" );
document.write( "Ground speed = sqrt[145.98^2+222.85^2] = 266.40 mph<BR>\n" );
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document.write( " <BR>\n" );
document.write( "What is the smallest angle in the triangle?<BR>\n" );
document.write( "What is the biggest angle in the triangle?<BR>\n" );
document.write( "What is the remaining angle in the triangle?<BR>\n" );
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document.write( "Question: Which triangle? the given condition triangle <BR>\n" );
document.write( "or the resultant triangle?<BR>\n" );
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document.write( "What is the bearing of the plane?<BR>\n" );
document.write( "tan^-1[222.85/145.98] = 56.77 degrees<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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