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    Question

    2(sin 1┬░ ├Ч sec 89┬░) + 3 (cos11┬░ ├Ч cosec 79┬░) + 5

    (tan 21┬░ ├Ч tan 69┬░) = ?
    A 11 Correct Answer Incorrect Answer
    B 12 Correct Answer Incorrect Answer
    C 20 Correct Answer Incorrect Answer
    D 10 Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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