12. Two vectors 10cm and 8cm long form an angle of (a) 60°, (b)90° and (c) 120°. Find the magnitude of difference and the angle with respect to the larger vector.
12. Two vectors 10cm and 8cm long form an angle of (a) 60°, (b)90° and (c) 120°. Find the magnitude of difference and the angle with respect to the larger vector.