
高一数学,求解不等式
2个回答
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4π/3+2kπ/3≤3X一π/4≤5π/3+2Kπ
π/4+4π/3+2kπ≤3X≤5π/3+2Kπ+π/4
19π/12+2kπ≤3X≤23π/12+2kπ
19/36+2Kπ/3≤X≤23π/36+2kπ/3
π/4+4π/3+2kπ≤3X≤5π/3+2Kπ+π/4
19π/12+2kπ≤3X≤23π/12+2kπ
19/36+2Kπ/3≤X≤23π/36+2kπ/3
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