Answer:
4. Cos y= b/6
Explanation:
sin = Opp. / Hypo.
cos = Adj. / Hypo
tan = Opp. / Adj.
If y = a/6 and tan y = a/b --> Opp. = a, Hypo. = 6, and Adj. = b
so
cos y = Adj. / Hypo = b/6
9.5m questions
12.2m answers