engineering mathematics MCQ #953

If f(x) = sin x, then f'(x) is

engineering mathematics MCQ #953

  1. Question 1

    Q1. If f(x) = sin x, then f'(x) is

    • A) cos x
    • B) -sin x
    • C) sin x
    • D) -cos x

    Answer: cos x

    Explanation: The derivative of sin x is cos x, a basic trigonometric differentiation rule.