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函数y=3sin(2x+π/6)(x属于[0,π])的减区间?
函数y=3sin(2x+π/6)(x属于[0,π])的减区间?
人气:425 ℃ 时间:2020-04-17 16:49:09
解答
2kπ+π/2≤2x+π/6≤2kπ+3π/2
kπ+π/6≤x≤kπ+2π/3
K=0
π/6≤x≤2π/3
函数y=3sin(2x+π/6)(x属于[0,π])的减区间[π/6,2π/3]
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