Find the set of all in the interval for which .

MATHEMATICS · Subjective · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Find the set of all xx in the interval [0,π][0, \pi] for which 2sin⁡2x−3sin⁡x+1≥02 \sin^2 x - 3 \sin x + 1 \ge 0 .

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