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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality sin(2.8π/x+π/6) = 1(1 )     Question type: Inequality
    Solution:
    The inequality can be reduced to 2 inequalities：
         sin ( 2.8 * π / x + π / 6 ) 1 * ( 1 ) < x         (1)
        From the definition field of divisor
        x ≠ 0        (2 )
         x <10         (3)

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    From inequality(1)：
        The solution set is empty, that is, within the range of real numbers, the inequality will never be established!
    From inequality(2)：
         x < 0 或  x ＞ 0
    From inequality(3)：
         x < 10

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    The final solution set is :
        The solution set is empty,that is, the inequality will never be estatlished within the real number range.

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