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数学
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求函数y=2sin(2x+派/6),x属于[-派,0]而单调减区间
人气:403 ℃ 时间:2019-11-10 11:07:26
解答
y= 2sin(2x+π/6)
y' = 4cos(2x+π/6)
if y' < 0
4cos(2x+π/6 < 0
- π
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