engineering mathematics MCQ #93

If cos(θ) = 1/2, find sin(θ).

engineering mathematics MCQ #93

  1. Question 1

    Q1. If cos(θ) = 1/2, find sin(θ).

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

    Answer: √3/2

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