If cos (A + B) = \(\frac{3}{5}\) and sin (A - B) = \(\frac{5}{13}\), where 0 ≤ A, \(B \le \frac{\pi}{4}\), then tan 2B is equal to
1
\(\frac{11}{34}\)
2
\(\frac{21}{56}\)
3
\(\frac{33}{56}\)
4
More than one of the above
5
None of the above
If cos (A + B) = \(\frac{3}{5}\) and sin (A - B) = \(\frac{5}{13}\), where 0 ≤ A, \(B \le \frac{\pi}{4}\), then tan 2B is equal to