$\cot \left(\operatorname{cosec}^{-1} \frac{5}{3}+\tan ^{-1} \frac{2}{3}\right)$ का मान ज्ञात कीजिए।

  • A
    $\frac{5}{17}$
  • B
    $\frac{6}{17}$
  • C
    $\frac{3}{17}$
  • D
    $\frac{4}{17}$

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