Angle difference between two bearings: Difference between revisions

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 ;Task:
-Find the angle which is the result of the subtraction '''b2 - b1''', &nbsp; where '''b1''' and '''b2''' are the bearings.
+Find the angle which is the result of the subtraction '''b2 - b1''', where '''b1''' and '''b2''' are the bearings.
-Input bearings are expressed     in the range &nbsp; '''-180''' &nbsp; to &nbsp; '''+180''' &nbsp; degrees.
+<br>Input bearings are expressed in the range &nbsp; '''-180''' &nbsp; to &nbsp; '''+180''' &nbsp; degrees.
-<br>The result&nbsp; is also expressed in the range &nbsp; '''-180''' &nbsp; to &nbsp; '''+180''' &nbsp; degrees.
+<br>The result is also expressed in the range &nbsp; '''-180''' &nbsp; to &nbsp; '''+180''' &nbsp; degrees.
 Compute the angle for the following pairs:
-::*  20 degrees ('''b1''') and 45 degrees ('''b2''')
+*  20 degrees ('''b1''') and 45 degrees ('''b2''')
-::* -45 and  45
+* -45 and  45
-::* -85 and  90
+* -85 and  90
-::* -95 and  90
+* -95 and  90
-::* -45 and 125
+* -45 and 125
-::* -45 and 145
+* -45 and 145
-::*  29.4803 and  -88.6381
+*  29.4803 and  -88.6381
-::* -78.3251 and -159.036
+* -78.3251 and -159.036
-;Optional extra:  allow the input bearings to be any (finite) value.
+;Optional extra:
+Allow the input bearings to be any (finite) value.
 ;Test cases:
-::*  -70099.74233810938   and   29840.67437876723
+*  -70099.74233810938   and   29840.67437876723
-::* -165313.6666297357    and   33693.9894517456
+* -165313.6666297357    and   33693.9894517456
-::*    1174.8380510598456 and -154146.66490124757
+*    1174.8380510598456 and -154146.66490124757
-::*   60175.77306795546   and   42213.07192354373
+*   60175.77306795546   and   42213.07192354373
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