James C. answered 01/24/21
BS in Mathematics with 20+ years of teaching experience
To find coterminal angles when given a negative angle, add 360 degrees to the given angle until you get an angle between 0 and 360.
=974 + 360 = -614
-614 + 360 = -254
-254 + 360 - 106.
So the coterminal angle is 106 degrees.
You could also add multiples of 360 to save time.