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f(x)=sin(2x-π/6),x∈[π/4,5π/6] 求值域
人气:124 ℃ 时间:2020-09-22 07:02:17
解答
x∈[π/4,5π/6] ,(2x-π/6)∈[π/3,3π/2] ,f(x)=sin(2x-π/6)∈[-1,1]
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