3 Two vectors OA Find vector AB Hint Draw the vectors then OA AB OB 21 1 OB 1 3 4 In the above problem find the angle OAB using

Question

3 Two vectors OA Find vector AB Hint Draw the vectors then OA AB OB 21 1 OB 1 3 4 In the above problem find the angle OAB using dot product Hint use the vectors AO not OA and OB

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