engineering mathematics MCQ #904

If y = sin(x) + cos(x), find dy/dx

engineering mathematics MCQ #904

  1. Question 1

    Q1. If y = sin(x) + cos(x), find dy/dx

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

    Answer: cos(x) - sin(x)

    Explanation: Differentiate term by term: dy/dx = cos(x) - sin(x).