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Addition of bearings (Eastings/Northings)

  1. Sep 9, 2011 #1
    1. The problem statement, all variables and given/known data
    Hi everyone. My problem is related to bearings, and finding the bearings between two points and their distance apart.
    A= Easting 182.373, Northing 139.901
    Y= Easting 200 Northing 200


    2. Relevant equations

    3. The attempt at a solution
    Now for A's bearing I used pythagoras and inverse tan to calc the angle from the East/x axis was 52'30'28', thus subtracting it from 90 degrees gave me 37'29'32' from the y axis/north to bearing A.

    For bearing B i did the same, and came up with a value from it's north position clockwise to Y bearing of 45' (inverse tan (200/200)).

    Now to find the bearing from A to B, do I just add these bearings together, for a A to Y bearing of 82'29'32'?

    If not, what do I do. Surprisingly google couldn't help me.

    Thanks a lot
     
  2. jcsd
  3. Sep 9, 2011 #2

    NascentOxygen

    User Avatar

    Staff: Mentor

    You could draw this out on a sheet of graph paper, using an appropriate scale, then measure the angle and distance apart of the two locations to see how well your calculator work compares with the "reality".
     
  4. Sep 9, 2011 #3
    Thanks mate but I kind of need how to do it numerically to do it in exams...
     
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