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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality x^x^x^cosx-9^9 <999999999999 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         x ^ x ^ x ^ cos x - 9 ^ 9 <999999999999         (1)

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    From inequality(1)：
         x < 5.331967 或  7.617232 < x < 11.089105 或  14.084482 < x < 17.27876 或  20.420352 < x < 23.561945 或  26.703538 < x < 29.84513

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    The final solution set is :
         x < 5.331967 或  7.617232 < x < 11.089105 或  14.084482 < x < 17.27876 或  20.420352 < x < 23.561945 或  26.703538 < x < 29.84513
    *Note: Radian.

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