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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1/2(sinx+xcosx) >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1 / 2 * ( sin x + x * cos x ) >0         (1)

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    From inequality(1)：
         x < -14.207437 或  -11.085538 < x < -7.978666 或  -4.91318 < x < -2.028758 或  0 < x < 2.028758 或  4.91318 < x < 7.978666 或  x ＞ 11.085538

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    The final solution set is :
         x < -14.207437 或  -11.085538 < x < -7.978666 或  -4.91318 < x < -2.028758 或  0 < x < 2.028758 或  4.91318 < x < 7.978666 或  x ＞ 11.085538
    *Note: Radian.

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