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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality tanx >-3 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         tan x > -3         (1)

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    From inequality(1)：
         -7.532231 < x < -4.712389 或  -4.390638 < x < -1.570796 或  -1.249046 < x < 1.570796 或  1.892547 < x < 4.712389 或  5.03414 < x < 7.853982

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    The final solution set is :
         -7.532231 < x < -4.712389 或  -4.390638 < x < -1.570796 或  -1.249046 < x < 1.570796 或  1.892547 < x < 4.712389 或  5.03414 < x < 7.853982
    *Note: Radian.

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