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           ☆1 inequalities

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 1.567742669129844-(0.5*sin(alpha)+0.4*cos(alpha)) >= 0.5 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        1.567742669129844 - ( 0.5 * sin ( alpha ) + 0.4 * cos ( alpha ) ) >= 0.5         (1)

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    From inequality(1)：
         alpha ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!

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    The final solution set is :
         alpha ∈ R (R is all real numbers),that is, in the real number range, the inequality is always established!
    *Note: Radian.

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