Question

    If sec A = 2, then what will be the value of sin²

    A?
    A 1 Correct Answer Incorrect Answer
    B 1/4 Correct Answer Incorrect Answer
    C 3/4 Correct Answer Incorrect Answer
    D 2/3 Correct Answer Incorrect Answer

    Solution

    sec A = 2
    ⇒ sec A = sec 60°
    ⇒ A = 60°
    ⇒ sin² A = (sin 60°)² = (√3/2)² = 3/4

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