engineering mathematics MCQ #712

If y = sin(x), then d²y/dx² is

engineering mathematics MCQ #712

  1. Question 1

    Q1. If y = sin(x), then d²y/dx² is

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

    Answer: -sin(x)

    Explanation: First derivative of sin(x) is cos(x), and derivative of cos(x) is -sin(x), hence d²y/dx² = -sin(x)