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           ☆1 inequalities

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

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    From inequality(1)：
         -√59765067/√350000 < x < -9.912413 或  -6.78423 < x < -3.629227 或  -0.501044 < x < 2.653958 或  √234032077/√7000000 < x < 8.937143 或  12.065326 < x < 15.220329

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    The final solution set is :
         -√59765067/√350000 < x < -9.912413 或  -6.78423 < x < -3.629227 或  -0.501044 < x < 2.653958 或  √234032077/√7000000 < x < 8.937143 或  12.065326 < x < 15.220329
    *Note: Radian.

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