Answer:
Step-by-step explanation:
[tex]u\bullet v= |u||v|cos (\theta)[/tex]
That gives [tex]cos (\theta) = \frac{u\bullet v}{|u||v|} = \frac{48}{12\times 8} =\frac{48}{96} =\frac{1}{2}[/tex]
[tex]cos (\theta) = \frac{1}{2} = cos (\pi/3)[/tex]
Hence
[tex]\theta = \pi/3[/tex]
