1.

If A = (cos 12° - cos 36°) (sin 96° + sin 24°) and B = (sin 60° - sin 12°) (cos 48° - cos 72°), then what is \(\frac{{\rm{A}}}{{\rm{B}}}\) equal to?

A. -1
B. 0
C. 1
D. 2
Answer» D. 2


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