若函数f(x)=2sin(2x+w)(0
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若函数f(x)=2sin(2x+w)(0若函数f(x)=2sin(2x+w)(0若函数f(x)=2sin(2x+w)(0由题意得f(5π/12)是f(x)的最小值于是2(5π/12)+w=2kπ-π/
若函数f(x)=2sin(2x+w)(0
若函数f(x)=2sin(2x+w)(0
若函数f(x)=2sin(2x+w)(0
由题意得f(5π/12)是f(x)的最小值
于是2(5π/12)+w=2kπ-π/2
w=2kπ-(4π/3)
k=0时,w=-4π/3<0
k=1时,w=2π/3
k=2时,w=8π/3>2π
于是w=2π/3
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