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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality tan(x+π/4) ≥1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         tan ( x + π / 4 ) ≥1         (1)

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    From inequality(1)：
         x ≤ -8.63938 或  -6.283185 ≤ x ≤ -5.497787 或  -3.141593 ≤ x ≤ -2.356194 或  0 ≤ x ≤ 0.785398 或  3.141593 ≤ x ≤ 3.926991 或  x ≥ 6.283185

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    The final solution set is :
         x ≤ -8.63938 或  -6.283185 ≤ x ≤ -5.497787 或  -3.141593 ≤ x ≤ -2.356194 或  0 ≤ x ≤ 0.785398 或  3.141593 ≤ x ≤ 3.926991 或  x ≥ 6.283185
    *Note: Radian.

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