If \( \overrightarrow{\mathrm{A}} \times \overrightarrow{\mathrm{B}}=\overrightarrow{0} \) and \...

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If \( \overrightarrow{\mathrm{A}} \times \overrightarrow{\mathrm{B}}=\overrightarrow{0} \) and \( \overrightarrow{\mathrm{B}} \times \overrightarrow{\mathrm{C}}=\overrightarrow{0} \), then the angle between
\( \vec{A} \) and \( \vec{C} \) may be :
(1) zero
(2) \( \frac{\pi}{4} \)
(3) \( \frac{\pi}{2} \)
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