MCQ
$\frac{d}{d x}(\sin 4 x)=?$
  • A
    $4 \sin 4 x$
  • $4 \cos 4 x$
  • C
    $4 x \sin 4 x$
  • D
    $4 x \cos 4 x$

Answer

Correct option: B.
$4 \cos 4 x$
B

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