I rotated my data frame for a map, and the north arrow dutifully is rotated as well to show north. I've been told it's possible to annotate the degree rotation on the north arrow symbol itself, but I can't find the option in map settings or symbol properties. Any suggestions? Thank you!
You can add dynamic text that shows the rotation of the data frame. Just create a text box with the following dynamic text in it:
From ESRI help