engineering mathematics MCQ #5240

For y = 3cos(x), what is the amplitude?

engineering mathematics MCQ #5240

  1. Question 1

    Q1. For y = 3cos(x), what is the amplitude?

    • A) 1
    • B) 3
    • C) 1/3
    • D) 0

    Answer: 3

    Explanation: The amplitude of y = acos(x) is |a|, so for y = 3cos(x), it is 3.