engineering mathematics MCQ #5258

If tan(x) = -1, what is x in 0 to 2π?

engineering mathematics MCQ #5258

  1. Question 1

    Q1. If tan(x) = -1, what is x in 0 to 2π?

    • A) 3π/4, 7π/4
    • B) π/4, 5π/4
    • C) π/2, 3π/2
    • D) 0, π

    Answer: 3π/4, 7π/4

    Explanation: tan(3π/4) = -1 and tan(2π - π/4) = tan(7π/4) = -1.