$\tan^{-1} \left( \cot \frac{43\pi}{4} \right)$ का मुख्य मान ज्ञात कीजिए।

  • A
    $-\frac{3\pi}{4}$
  • B
    $\frac{3\pi}{4}$
  • C
    $-\frac{\pi}{4}$
  • D
    $\frac{\pi}{4}$

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