Word Count : 175

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We are given two vectors: $$ \vec{A} = \sqrt{2}\mathbf{i} + 2\mathbf{j} + 2\mathbf{k}, \quad \vec{B} = \mathbf{i} + \sqrt{2}\mathbf{j} + \sqrt{2}\mathbf{k} $$ We want to find the angle $\theta$ between the two vectors. --- ### Step 1: Use the dot product formula $$ ______ _______ __________ ____ _______ ________ _________.
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