MCQ
$\frac{d}{d x}(\cos 2 x)=$
  • A
    $-\sin 2 x$
  • B
    $2 \sin 2 x$
  • $-2 \sin 2 x$
  • D
    $-\frac{1}{2} \sin 2 x$

Answer

Correct option: C.
$-2 \sin 2 x$
C

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