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1. |
Find the angle between the two vectors ( vec{a} ,and , vec{b} ) with magnitude 2 and ( sqrt{3} ) respectively and ( vec{a.} , vec{b} )=4. |
A. | ( frac{ }{3} ) |
B. | ( frac{ }{6} ) |
C. | (cos^{-1} u2061 frac{ sqrt{2}}{3} ) |
D. | (cos^{-1} u2061 frac{2}{ sqrt{3}} ) |
Answer» C. (cos^{-1} u2061 frac{ sqrt{2}}{3} ) | |