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           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 9.8*（cos(0.785-x)-0.3sin(0.785-x)）+0.007 >0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        9.8 * ( cos ( 0.785 - x ) - 0.3 * sin ( 0.785 - x ) ) + 0.007 >0         (1)

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    From inequality(1)：
         -13.061394 < x < -9.918433 或  -6.778209 < x < -3.635248 或  -0.495024 < x < 2.647937 或  5.788162 < x < 8.931123 或  12.071347 < x < 15.214308

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    The final solution set is :
         -13.061394 < x < -9.918433 或  -6.778209 < x < -3.635248 或  -0.495024 < x < 2.647937 或  5.788162 < x < 8.931123 或  12.071347 < x < 15.214308
    *Note: Radian.

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