设f(x)=sinx f(x+2π)=
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设f(x)=sinxf(x+2π)=设f(x)=sinxf(x+2π)=设f(x)=sinxf(x+2π)=因为f(x)=sinx所以f(x+2π)=sin(x+2π)=sinx
设f(x)=sinx f(x+2π)=
设f(x)=sinx f(x+2π)=
设f(x)=sinx f(x+2π)=
因为f(x)=sinx
所以f(x+2π)=sin(x+2π)=sinx
设f(x)=sinx f(x+2π)=
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