如何由函数f(x)=Asin(wx+λ)得到f(x)=sinx?先平移再伸缩怎么变?先伸缩再平移怎么变?如何由函数f(x)=sinx得到f(x)=Asin(wx+λ)?先平移再伸缩怎么变?先伸缩再平移怎么变?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 21:52:03
![如何由函数f(x)=Asin(wx+λ)得到f(x)=sinx?先平移再伸缩怎么变?先伸缩再平移怎么变?如何由函数f(x)=sinx得到f(x)=Asin(wx+λ)?先平移再伸缩怎么变?先伸缩再平移怎么变?](/uploads/image/z/1042810-34-0.jpg?t=%E5%A6%82%E4%BD%95%E7%94%B1%E5%87%BD%E6%95%B0f%28x%29%3DAsin%28wx%2B%CE%BB%29%E5%BE%97%E5%88%B0f%28x%29%3Dsinx%3F%E5%85%88%E5%B9%B3%E7%A7%BB%E5%86%8D%E4%BC%B8%E7%BC%A9%E6%80%8E%E4%B9%88%E5%8F%98%3F%E5%85%88%E4%BC%B8%E7%BC%A9%E5%86%8D%E5%B9%B3%E7%A7%BB%E6%80%8E%E4%B9%88%E5%8F%98%3F%E5%A6%82%E4%BD%95%E7%94%B1%E5%87%BD%E6%95%B0f%28x%29%3Dsinx%E5%BE%97%E5%88%B0f%28x%29%3DAsin%28wx%2B%CE%BB%29%3F%E5%85%88%E5%B9%B3%E7%A7%BB%E5%86%8D%E4%BC%B8%E7%BC%A9%E6%80%8E%E4%B9%88%E5%8F%98%3F%E5%85%88%E4%BC%B8%E7%BC%A9%E5%86%8D%E5%B9%B3%E7%A7%BB%E6%80%8E%E4%B9%88%E5%8F%98%3F)
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如何由函数f(x)=Asin(wx+λ)得到f(x)=sinx?先平移再伸缩怎么变?先伸缩再平移怎么变?如何由函数f(x)=sinx得到f(x)=Asin(wx+λ)?先平移再伸缩怎么变?先伸缩再平移怎么变?
如何由函数f(x)=Asin(wx+λ)得到f(x)=sinx?
先平移再伸缩怎么变?
先伸缩再平移怎么变?
如何由函数f(x)=sinx得到f(x)=Asin(wx+λ)?
先平移再伸缩怎么变?
先伸缩再平移怎么变?
如何由函数f(x)=Asin(wx+λ)得到f(x)=sinx?先平移再伸缩怎么变?先伸缩再平移怎么变?如何由函数f(x)=sinx得到f(x)=Asin(wx+λ)?先平移再伸缩怎么变?先伸缩再平移怎么变?
f(x)=Asin(wx+λ)先化为f(x)=Asinw(x+λ/w)
所以,先向右平移λ/w个单位,再缩小A倍就得到f(x)=sinx.
f(x)=sinx先向左平移λ/w个单位,再扩大A倍就得到f(x)=Asin(wx+λ)
如何由函数f(x)=Asin(wx+λ)得到f(x)=sinx?先平移再伸缩怎么变?先伸缩再平移怎么变?如何由函数f(x)=sinx得到f(x)=Asin(wx+λ)?先平移再伸缩怎么变?先伸缩再平移怎么变?
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