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The general solution of the equation 2cos2x = 3.2cos2x — 4 is (C) x = n;t/4 , n El (A) x = 2n7t, n I (B) X = nit, n El If 2 cos2 + x) + 3 sin (It + x) vanishes then the values of x lying in the interval from O to 27t are ... 2sin—sin x = cos- x - sin- x for xe (0, 41tl is (3) 10 (4) 12 . Disclaimer: The content is provided by the Learner ... ................
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