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[latex]\boxed{cos \left(x+\frac{\pi}{3}\right)=\frac{1}{2} \rightarrow x+\frac{\pi}{3}=\frac{\pi}{3}\rightarrow x=0}[/latex]
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[latex]\boxed{cos \left(x+\frac{\pi}{3}\right)=\frac{1}{2} \rightarrow x+\frac{\pi}{3}=\frac{\pi}{3}\rightarrow x=0}[/latex]