A.\( \sin \alpha =\frac{1}{3} \) i \(\cos \alpha =\frac{2}{3}\)
B.\( \sin \alpha =\frac{5}{13} \) i \(\cos \alpha =\frac{12}{13} \)
C.\( \sin \alpha =\frac{3}{5} \) i \(\cos \alpha =\frac{4}{5} \)
D.\( \sin \alpha =\frac{9}{15} \) i \(\cos \alpha =\frac{12}{15} \)