Overview: 1 questions will be solved this time.Among them
           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 2cos（2x-π/6） <1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        2 * cos ( 2 * x - π / 6 ) <1         (1)

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    From inequality(1)：
         x < -6.544985 或  -5.497787 < x < -3.403392 或  -2.356194 < x < -0.261799 或  0.785398 < x < 2.879793 或  3.926991 < x < 6.021386 或  x ＞ 7.068583

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    The final solution set is :
         x < -6.544985 或  -5.497787 < x < -3.403392 或  -2.356194 < x < -0.261799 或  0.785398 < x < 2.879793 或  3.926991 < x < 6.021386 或  x ＞ 7.068583
    *Note: Radian.

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