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求函数y=1-2sin(x/2+派/3)的单调增区间
人气:166 ℃ 时间:2020-07-03 07:48:42
解答
2kπ+π/2<=x/2+π/3<=2kπ+3π/2,k∈z ,4kπ+π/3<=x<=4kπ+7π/3
单调增区间是【4kπ+π/3,4kπ+7π/3】,k∈z
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