Question
$\frac{{1 + \sqrt 3 i}}{{\sqrt 3 + 1}}$का कोणांक है
$ = {\tan ^{ - 1}}\left[ {\frac{{\sqrt 3 /(1 + \sqrt 3 )}}{{1/(1 + \sqrt 3 )}}} \right] = {\tan ^{ - 1}}\sqrt 3 = \frac{\pi }{3}$
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