MCQ
$\sin \left[2 \tan ^{-1} \frac{5}{8}\right]$
  • A
    $\frac{25}{64}$
  • $\frac{80}{89}$
  • C
    $\frac{75}{128}$
  • D
    इनमें से कोई नहीं

Answer

Correct option: B.
$\frac{80}{89}$
B

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