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8) Solve the following trigonometric equations a) 2 cos 2 x - 3 cos x + 1 = 0 b) sin x + V2 =

8) Solve the following trigonometric equations a) 2 cos 2 x - 3 cos x + 1 = 0 b) sin x + V2 = -sinx 9) Find the magnitude and direction of the vector V =

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