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Y=2sin(2X+π/6)的值域
X∈[π/12,π/2]
求值域
人气:484 ℃ 时间:2020-04-10 13:58:25
解答
π/12<=x<=π/2
π/6<=2x<=π
π/3<=2x+π/6<=7π/6
所以2x+π/6=π/2,y最大=2
2x+π/6=7π/6,y最小=-1
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