Step-by-step explanation:
[tex] 1.\:\:\sin \: A= \frac{BC}{AB} \\\\
2.\:\:\cos \: A= \frac{AC}{AB} \\\\
3.\:\:\tan \: A= \frac{BC}{AC} \\\\
4.\:\:\sin \: B= \frac{AC}{AB} \\\\
5.\:\:\cos \: B= \frac{BC}{AB} \\\\
6.\:\:\tan \: B= \frac{AC}{BC} \\\\[/tex]
