MCQ
$\frac{d}{d \theta}\left(\cos ^3 \theta\right)=$
  • A
    $-3 \sin ^3 \theta$
  • B
    $3 \sin ^2 \theta \cos \theta$
  • $-3 \cos ^2 \theta \sin \theta$
  • D
    $3 \cos ^2 \theta \sin \theta$

Answer

Correct option: C.
$-3 \cos ^2 \theta \sin \theta$
C

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