3 tan 4 tan A B If A 31 21 and B 21 31 k then find 3 unit

Last updated: 6/25/2023

3 tan 4 tan A B If A 31 21 and B 21 31 k then find 3 unit vector along A B 1 3 i j k 3 i j k 3 2 j k 3 i j k 3 3 tan af A 31 21 am A B 1 3 i j k 3 i j k i j 3