The argument of \( -5 \sqrt{3}+5 \sqrt{3} i \) is....
The argument of \( -5 \sqrt{3}+5 \sqrt{3} i \) is
\( \mathrm{P} \)
(1) \( \frac{\pi}{4} \)
(2) \( \frac{3 \pi}{4} \)
(3) \( \frac{-3 \pi}{4} \)
(4) \( \frac{-\pi}{4} \)
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