The angle between vectors \( (\overrightarrow{\mathrm{A}} \times \overrightarrow{\mathrm{B}}) \)...
The angle between vectors \( (\overrightarrow{\mathrm{A}} \times \overrightarrow{\mathrm{B}}) \) and \( (\overrightarrow{\mathrm{B}} \times \overrightarrow{\mathrm{A}}) \) is:
(1) \( \pi \mathrm{rad} \)
(2) \( \frac{\pi}{2} \mathrm{rad} \)
(3) \( \frac{\pi}{4} \mathrm{rad} \)
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