化简:f(x)=sin(x)cos(x)/sin(2x)
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化简:f(x)=sin(x)cos(x)/sin(2x)
![化简:f(x)=sin(x)cos(x)/sin(2x)](/uploads/image/z/18816544-64-4.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9Af%28x%29%3Dsin%28x%29cos%28x%29%2Fsin%282x%29)
f(x)=sin(x)cos(x)/sin(2x)
=sinxcosx/2sinxcosx
=2
=sinxcosx/2sinxcosx
=2
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