sin(x/2)-cos(x/2)=1/3,则sinx=?

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sin(x/2)-cos(x/2)=1/3,则sinx=?
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sin(x/2)-cos(x/2)=1/3,则sinx=?
sin(x/2)-cos(x/2)=1/3,则sinx=?

sin(x/2)-cos(x/2)=1/3,则sinx=?