Find the angle between the vectors to the nearest whole number. Use a calculator. u = cos 80*i + sin 80*j, v = cos 25"i + sin 25 j O R 35.6' ( 180' ( $ 55' O ~ 1.5' O ~ 45.4' 18. Choose the best answer. Find the unit vector u in the direction of v. Vector v has an initial point (0, 9) and a terminal point (-3, 2) O u= 3 V58 V58 O u = 3 V 58 V58 O u= 3