engineering mathematics MCQ #4947

The solution of 3tan²(x) - 1 = 0 is

engineering mathematics MCQ #4947

  1. Question 1

    Q1. The solution of 3tan²(x) - 1 = 0 is

    • A) nπ ± π/6
    • B) nπ ± π/3
    • C) 2nπ ± π/6
    • D) 2nπ ± π/3

    Answer: nπ ± π/6

    Explanation: tan²(x) = 1/3, hence tan(x) = ±1/√3, so x = nπ ± π/6.