If \( \cos (A-B)=\frac{1}{2} \), and \( \sin (A+B)=\frac{1}{2} \), find the smallest positive va...

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If \( \cos (A-B)=\frac{1}{2} \), and \( \sin (A+B)=\frac{1}{2} \), find the smallest positive values of \( A \) and \( B \) and also their most general values.
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