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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality arcsinx/10 ≤1 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
         arcsin x / 10 ≤1         (1)
        From the definition field of arcsin
        x ≥ -1        (2 )
        x ≤ 1        (3 )

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    From inequality(1)：
         x ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    From inequality(2)：
         x ≥ -1
    From inequality(3)：
         x ≤ 1

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    From inequalities (1) and (2)
         x ≥ -1    (4)
    From inequalities (3) and (4)
         -1 ≤ x ≤ 1    (5)

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    The final solution set is :
         -1 ≤ x ≤ 1

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