engineering mathematics MCQ #4961

If 2sin(x) + 1 = 0, then x = ?

engineering mathematics MCQ #4961

  1. Question 1

    Q1. If 2sin(x) + 1 = 0, then x = ?

    • A) 7π / 6
    • B) 11π / 6
    • C) Both A and B
    • D) π / 6

    Answer: Both A and B

    Explanation: General solution for sin(x) = -1/2 is x = 7π/6 + 2kπ or 11π/6 + 2kπ, k ∈ Z.