If \( z=-(1+i) \), then....
If \( z=-(1+i) \), then
\( \mathrm{P} \)
(1) \( \arg z=\frac{\pi}{4} \)
(2) \( \arg z=\frac{5 \pi}{4} \)
(3) \( \arg z=\frac{-3 \pi}{4} \)
(4) \( |z|=\sqrt{2} \)
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