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    (Original post by old_engineer)
    I took part (iii) to mean “what course should the pilot set if he actually wants to arrive at the originally planned destination?”

    Other interpretations may be possible, though.
    Thank you This make sense. So for part iii) I did the diagrams below but I am not sure how to get theta to get the new course that the pilot should set. Could you kindly help here? Many thanks
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    [QUOTE=sienna2266;76225430]Thank you This make sense. So for part iii) I did the diagrams below but I am not sure how to get theta to get the new course that the pilot should set. Could you kindly help here? Many thanks
    /QUOTE]

    Referring to the lower diagram, you can find the angle between R and the plane’s vector via the sine rule, then add 90 (the angle between north and east).
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    [QUOTE=old_engineer;76225492]
    (Original post by sienna2266)
    Thank you This make sense. So for part iii) I did the diagrams below but I am not sure how to get theta to get the new course that the pilot should set. Could you kindly help here? Many thanks
    /QUOTE]

    Referring to the lower diagram, you can find the angle between R and the plane’s vector via the sine rule, then add 90 (the angle between north and east).
    Ahh thanks very much.Got it!
 
 
 
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