engineering mathematics MCQ #5580

If sin(x) = 1, what is sin(2x)?

engineering mathematics MCQ #5580

  1. Question 1

    Q1. If sin(x) = 1, what is sin(2x)?

    • A) 1
    • B) 0
    • C) -1
    • D) undefined

    Answer: 0

    Explanation: Using sin(2x) = 2sin(x)cos(x) and cos(x) = 0, we find sin(2x) = 0.