已知函数f(x)=Asin(ωx+φ),x∈R(之中A>0,ω>0,0
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已知函数f(x)=Asin(ωx+φ),x∈R(之中A>0,ω>0,0
已知函数f(x)=Asin(ωx+φ),x∈R(之中A>0,ω>0,0
已知函数f(x)=Asin(ωx+φ),x∈R(之中A>0,ω>0,0
因为周期为π ,所以ω=2π/π=2 ,因为最低点纵坐标为2 ,所以A=2 ,当x=2π/3时,有最小值,即有2*2π/3+φ=2kπ-π/2 ,又因为0
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