engineering mathematics MCQ #5584

If tan(x) = 1 / 2 and tan(y) = 1 / 3, what is tan(x + y)?

engineering mathematics MCQ #5584

  1. Question 1

    Q1. If tan(x) = 1 / 2 and tan(y) = 1 / 3, what is tan(x + y)?

    • A) 1
    • B) 1 / 7
    • C) 7
    • D) 1 / 5

    Answer: 1

    Explanation: Using the tangent addition formula, tan(x + y) = (1/2 + 1/3) / (1 - (1/2)*(1/3)) = 1