If A·B = 10 and |A| = 5, |B| = 4, what is cos θ? - WORK, ENERGY, AND POWER Quiz | GKFix.in

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Question

If A·B = 10 and |A| = 5, |B| = 4, what is cos θ?

A. 0.25
B. 0.5
C. 1
D. 2