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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality π／6     Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
         π / 6 < k         (1)
         k < π / 3         (2)

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    From inequality(1)：
         k ＞ 0.523599
    From inequality(2)：
         k < 1.047198

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    From inequalities (1) and (2)
         0.523599 < k < 1.047198     (3)

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    The final solution set is :
         0.523599 < k < 1.047198

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