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6.[8] Find all solutions in the interval [0,27) of the trigonometric equation: (i) 2 sinx + 1 = 0 (ii) sin2 x + 2cos x

6.[8] Find all solutions in the interval [0,27) of the trigonometric equation: (i) 2 sinx + 1 = 0 (ii) sin2 x + 2cos x + 2 =0

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