Question

9. IfĀ=B+C and the magnitudes of A, B and C are 5,4 and 3 units respectively, the angle between
Aand Bis
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Answer 1

Answer:

Given, [math]\vec{A} = \vec{B} + \vec{C}[/math] or, [math]\vec{C} = \vec{A} - \vec{B}[/math] ...