MCQ
$\frac{d}{d x}(\sin 3 x)=$
  • A
    $\cos 3 x$
  • $3 \cos 3 x$
  • C
    $-3 \cos 3 x$
  • D
    $\sin 3 x$

Answer

Correct option: B.
$3 \cos 3 x$
B

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