I work through 4 examples of working with angles in DMS notation.
Converting from decimal notation to DMS at 3:39
Converting from DMS to decimal notation at 7:55
Adding angles at 11:49
Finding a complimentary angle at 14:34
Check out http://www.ProfRobBob.com/, there you will find my lessons organized by class/subject and then by topics within each class. Find free review test, useful notes and more at http://www.mathplane.com/
If you'd like to make a donation to support my efforts look for the "Tip the Teacher" button on my channel's homepage / profrobbob