已知y=Asin(ωx+φ)(A>0,ω>0,00,0
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已知y=Asin(ωx+φ)(A>0,ω>0,00,0
已知y=Asin(ωx+φ)(A>0,ω>0,00,0
已知y=Asin(ωx+φ)(A>0,ω>0,00,0
A=√2
最高点(2,√2)与x轴的交点(6,0)的水平距离为1/4周期
T/4=6-2
T=16
2π/ω=T=16
ω=π/8
y=√2sin(πx/8+φ)
把点(2,√2)代入上式,有:
√2=√2sin(π/4+φ)
sin(π/4+φ)=1
∵0
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