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     EduGorilla 
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    Find

    θ π 2 3 π 2

    satisfying

    2 cos 2 θ + sin  θ 2

    .

    Options :-

    1. π 2 , 3 π 2 π , 3 π 2
    2. π 2 , 5 π 6 π , 3 π 2
    3. π 2 , 4 π 3 π , 4 π 2
    4. π 2 , 2 π 3 π , 2 π 2
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Reply To: Find θ ∈ π 2 ,  3 π 2 satisfying 2 cos 2 θ + sin  θ ≤ 2 …..
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