已知函数y=Asin(ωx+φ)(A>0,.φ>0

已知函数y=Asin(ωx+φ)(A>0,.φ>0,|φ|

1个回答

A=[2-(-4)]/2=3
T/2=π/ω=8-2 ===>ω=π/6
(π/6)*2+φ=π/2 ,(π/6)*8+φ=3π/2
解得φ=π/6
c=T=2π/ω=12

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