The length of a traverse line (L) may be obtained by
AL = √((Latitude)² + (Departure)² )
BL = Latitude X Secant of reduced bearing
CL = Departure X Cosecant of reduced bearing
DL = Any one of the above
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AL = √((Latitude)² + (Departure)² )
BL = Latitude X Secant of reduced bearing
CL = Departure X Cosecant of reduced bearing
DL = Any one of the above