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Calculate the coordinates of the intersection of two lines given their bearings from two known stations.
Known values:
Bearing angles α and β.
Coordinates A (EA, NA) and B (EB, NB)
Solution:
Coordinates of intersection point C (EC, NC)
From coordinate grid:
and
thus
Which gives the total northing of intersection C.
By replacing NC in equations 1 or 2, EC is also calculated.
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