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    Question

    Find the value of the given expression. 2 ×

    (cos 60° – tan 45° + sec 60°)
    A 1/2 Correct Answer Incorrect Answer
    B 3 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 1 Correct Answer Incorrect Answer

    Solution

    We know that,
    cos 60° = 1/2, tan 45° = 1, sec 60° = 2 Then value of
    2 × (cos 60° – tan 45° + sec 60°)
    = 2 × {(1/2) – 1 + 2}
    = 2 × (3/2)
    = 3

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