1.

If \(\sin A = \dfrac{4}{5}\) and \(\sin B = \dfrac{5}{13}\), then Sin (A + B) = ?A. \(\dfrac{63}{65}\)B. \(\dfrac{16}{65}\)C. \(\dfrac{33}{65}\)D. \(\dfrac{56}{65}\)

A. A
B. B
C. C
D. D
Answer» B. B


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