engineering mathematics MCQ #5217

The period of cos(x) + sin(x) is?

engineering mathematics MCQ #5217

  1. Question 1

    Q1. The period of cos(x) + sin(x) is?

    • A) π
    • B) 2π
    • C) π/2
    • D) 3π/2

    Answer: 2π

    Explanation: Both sin(x) and cos(x) have a period of 2π, so their sum also has a period of 2π.