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y=2sin(2x-兀/3)的单调增区间
人气:277 ℃ 时间:2020-06-20 13:14:38
解答
单调增区间
2x-π/3∈[2kπ-π/2,2kπ+π/2]
2x∈[2kπ-π/6,2kπ+5π/6]
x∈[kπ-π/12,kπ+5π/12]
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