engineering mathematics MCQ #5210

What is the period of sin(2x) + cos(3x)?

engineering mathematics MCQ #5210

  1. Question 1

    Q1. What is the period of sin(2x) + cos(3x)?

    • A) 2π
    • B) π
    • C) 2π/3
    • D) LCM of 2π/2 and 2π/3

    Answer: LCM of 2π/2 and 2π/3

    Explanation: The period of sin(ax) + cos(bx) is LCM of 2π/a and 2π/b, so here it's LCM of 2π/2 and 2π/3.