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     EduGorilla 
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    A solution (x, y) of the system of equations x – y = 1/3 and cos2 – sin2= 1/2 is given by

    Options :-

    1. (2/3, 1/3)
    2. (7/6, 1/6)
    3. (13/6, 11/6)
    4. (1/6, 5/6)
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