Question

    The maximum value of 15 sin2 θ + 8 cos2 θ is

    A 6 Correct Answer Incorrect Answer
    B 8 Correct Answer Incorrect Answer
    C 15 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer

    Solution

    The maximum value of  asin 2 θ + bcos 2 θ  is   =  Greater value between a & b. So the maximum value of  15 sin 2 θ + 8 cos 2 θ  is  = Greater value between 15 & 8 = 12

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