If \( A0, B0 \) and \( A+B=\pi / 3 \), then the maximum value of \( \tan A \tan B \), is
(A) \( ... VIDEO
If \( A0, B0 \) and \( A+B=\pi / 3 \), then the maximum value of \( \tan A \tan B \), is
(A) \( 1 / \sqrt{3} \)
(B) \( 1 / 3 \)
(C) 3
(D) \( \sqrt{3} \)
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