त्रिकोणमितीय फलन $\tan \frac{19 \pi}{3}$ का मान ज्ञात कीजिए।

  • A
    $\sqrt{3}$
  • B
    $-\sqrt{3}$
  • C
    $1/\sqrt{3}$
  • D
    $-1/\sqrt{3}$

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