Given two angles A = 810° and B = -450°, evaluate whether A and B are coterminal and provide the numeric justification.

Not coterminal; A reduces to 90° and B reduces to 270°, so they point in different directions.

Yes, coterminal because both values differ by a whole number of rotations.

Not coterminal because one is positive and the other is negative.

They are coterminal because 810° and -450° both contain the digits 4 and 5 in their numerals.