2021 Easy
Single Choice
Marks: 4.00 / −1.00
The derivative of \( f(x) = \sin x \) is:
- A. \( \cos x \)
- B. \( -\cos x \)
- C. \( \sin x \)
- D. \( -\sin x \)
Correct Option:
- A. \( \cos x \) ✓ Correct
- B. \( -\cos x \)
- C. \( \sin x \)
- D. \( -\sin x \)
Hint: Standard derivative.
Solution:
\( \frac{d}{dx}[\sin x] = \cos x \)
derivatives