engineering mathematics MCQ #5237

For y = cos(2x), what is the period?

engineering mathematics MCQ #5237

  1. Question 1

    Q1. For y = cos(2x), what is the period?

    • A) π
    • B) 2π
    • C) π/2
    • D) 4π

    Answer: π

    Explanation: The period of cos(ax) is 2π/a, so for cos(2x), it is 2π/2 = π.