MCQ
$\frac{d}{d x}\left(\sin \frac{4 x}{5}\right)=$
  • $\frac{4}{5} \cos \frac{4 x}{5}$
  • B
    $-\frac{4}{5} \cos \frac{4 x}{5}$
  • C
    $\frac{5}{4} \cos \frac{4 x}{5}$
  • D
    $-\frac{5}{4} \cos \frac{4 x}{5}$

Answer

Correct option: A.
$\frac{4}{5} \cos \frac{4 x}{5}$
A

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