Find the angle between ( vec{a} ,and , vec{b} ) if (| vec{a}|=2,| vec{b}|= frac{1}{2 3} ) and ( vec{a} vec{b}= frac{1}{2} ).

Find the angle between ( vec{a} ,and , vec{b} ) if (| vec{a}|=2,|

1.	Find the angle between ( vec{a} ,and , vec{b} ) if (\| vec{a}\|=2,\| vec{b}\|= frac{1}{2 3} ) and ( vec{a} vec{b}= frac{1}{2} ).
A.	( frac{2 }{3} )
B.	( frac{4 }{5} )
C.	( frac{ }{3} )
D.	( frac{ }{2} )
Answer» D. ( frac{ }{2} )

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