Q18. What is the cosine of the angle θ between the vectors A = (2, 1) and B = (1, 1)?Mathematics — NUST Mock By Dogers 2 — Question 18 of 200A. 3/√10B. -3/√5C. 3/√2D. 3/√3Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →