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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 77.2x <100sin(x) .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        77.2 * x <100 * sin ( x )         (1)

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    From inequality(1)：
         x < -1.213556 或  0 < x < 1.213556

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    The final solution set is :
         x < -1.213556 或  0 < x < 1.213556
    *Note: Radian.

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