Cho \(\tan \alpha  =  - \frac{4}{5}\) với \(\frac{{3\pi }}{2}...

A. \(\sin \alpha  =  - \frac{4}{{\sqrt {41} }};\cos \alpha  =  - \frac{5}{{\sqrt {41} }}\)

B. \(\sin \alpha  = \frac{4}{{\sqrt {41} }};\cos \alpha  = \frac{5}{{\sqrt {41} }}\)

C. \(\sin \alpha  =  - \frac{4}{{\sqrt {41} }};\cos \alpha  = \frac{5}{{\sqrt {41} }}\)

D. \(\sin \alpha  = \frac{4}{{\sqrt {41} }};\cos \alpha  =  - \frac{5}{{\sqrt {41} }}\)