7. \(\sin(15^\circ)\cos(15^\circ) = ?\)
(A) \(\frac{\sqrt{6}+\sqrt{2}}{4}\)
(B) \(\frac{\sqrt{6}-\sqrt{2}}{4}\)
(C) \(\frac{1}{4}\)
(D) \(\frac{\sqrt{3}}{2}\)

相關試題

相關試卷