If $\tan \,(A + B) = p,\,\,\tan \,(A - B) = q,$ then the value of $\tan \,2A$ in terms of $p$ and $q$ is
If $\tan \,(A + B) = p,\,\,\tan \,(A - B) = q,$ then the value of $\tan \,2A$ in terms of $p$ and $q$ is
- A
$\frac{{p + q}}{{p - q}}$
- B
$\frac{{p - q}}{{1 + pq}}$
- C
$\frac{{p + q}}{{1 - pq}}$
- D
$\frac{{1 + pq}}{{1 - p}}$
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