Polygon Lines Length (L) Degrees L sin (Departure) Changes in Easting (E) L cos (Latitude) Changes in Northing (N) AB 28.650 m 0.000 28.650sin(0.000)= 0.000 28.650cos(0.000)= 0.000 BC 31.280 m 93.261 31.280sin(93.261)= 31.229 31.280cos(93.261)= -1.779 CD 30.150 m 180.000 30.150sin(180)= 0.000 30.150cos(180)= -30.15 DA 29.340 m 86.844 29.340sin(86.844)= 29.296 29.340cos(86.844)= 1.615 Total E 60.525 N -30.314 Determine Linear Misclosure