MCQ
$\frac{d}{d x}(\cos 5 x)=$
  • $-5 \sin 5 x$
  • B
    $5 \sin 5 x$
  • C
    $5 \cos 5 x$
  • D
    $6 \sin 5 x$

Answer

Correct option: A.
$-5 \sin 5 x$
A

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