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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality tan(2*x) >0.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         tan ( 2 * x ) >0.5         (1)

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    From inequality(1)：
         x < -3.926991 或  -2.909769 < x < -2.356194 或  -1.338973 < x < -0.785398 或  0.231824 < x < 0.785398 或  1.80262 < x < 2.356194 或  x ＞ 3.373416

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    The final solution set is :
         x < -3.926991 或  -2.909769 < x < -2.356194 或  -1.338973 < x < -0.785398 或  0.231824 < x < 0.785398 或  1.80262 < x < 2.356194 或  x ＞ 3.373416
    *Note: Radian.

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