engineering mathematics MCQ #4960

If tan(2x) = tan(x), then x =

engineering mathematics MCQ #4960

  1. Question 1

    Q1. If tan(2x) = tan(x), then x =

    • A) nπ
    • B) nπ/2
    • C) nπ + π/2
    • D) nπ - π/2

    Answer: nπ

    Explanation: tan(2x) - tan(x) = 0 gives sin(x)/cos(2x) = 0, so sin(x) = 0, hence x = nπ.