engineering mathematics MCQ #46

If sin(θ) = 1/2, then what is the value of cos(θ)?

engineering mathematics MCQ #46

  1. Question 1

    Q1. If sin(θ) = 1/2, then what is the value of cos(θ)?

    • A) √3/2
    • B) 1/2
    • C) √2/2
    • D) 1/√2

    Answer: √3/2

    Explanation: Using trigonometric identity: sin²(θ) + cos²(θ) = 1, so cos(θ) = √(1 - (1/2)²) = √3/2.