1.

The angle between the two vectors\[\vec{A}=3\hat{i}+4\hat{j}+5\hat{k}\]and \[\vec{B}=3\hat{i}+4\hat{j}+5\hat{k}\] is                                                           [DPMT 2000]

A.            60°
B.            Zero
C.            90°
D.            None of these
Answer» E.


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