$arg(5 - \sqrt{3}i) = $
- A$\tan^{-1}\left(\frac{5}{\sqrt{3}}\right)$
- B$\tan^{-1}\left(-\frac{5}{\sqrt{3}}\right)$
- C$\tan^{-1}\left(\frac{\sqrt{3}}{5}\right)$
- D$\tan^{-1}\left(-\frac{\sqrt{3}}{5}\right)$
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