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

[ 1/1Inequality]
    Assignment:Find the solution set of inequality 15sinx+8cosx大于等于 0 .
    Question type: Inequality
    Solution:
    The inequality can be reduced to 1 inequality：
        15 * sin x + 8 * cos x ≥ 0         (1)

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    From inequality(1)：
         -13.056328 ≤ x ≤ -9.914735 或  -6.773143 ≤ x ≤ -3.63155 或  -0.489957 ≤ x ≤ 2.651635 或  5.793228 ≤ x ≤ 8.934821 或  12.076413 ≤ x ≤ 15.218006

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    The final solution set is :
         -13.056328 ≤ x ≤ -9.914735 或  -6.773143 ≤ x ≤ -3.63155 或  -0.489957 ≤ x ≤ 2.651635 或  5.793228 ≤ x ≤ 8.934821 或  12.076413 ≤ x ≤ 15.218006
    *Note: Radian.

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