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