If A = 3î + 6ĵ and B = 2î + 4ĵ, what is cos θ between them? - WORK, ENERGY, AND POWER Quiz | GKFix.in

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Question

If A = 3î + 6ĵ and B = 2î + 4ĵ, what is cos θ between them?

A. 0
B. 0.5
C. 1
D. -1