engineering mathematics MCQ #5218

If f(x) = sin(x), what is f(π/2 + x)?

engineering mathematics MCQ #5218

  1. Question 1

    Q1. If f(x) = sin(x), what is f(π/2 + x)?

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

    Answer: cos(x)

    Explanation: Using the identity sin(π/2 + x) = cos(x).