For the answer to the question above asking What kind of kinship is most common in the contemporary united states? The answer is Bilateral kinship<span> organization presents something of a classification problem as all societies recognize and interact with a variety of maternal and paternal kin</span>
Cosine is adj/hyp so cos F= 6/10 or 3/5
Sine is opp/hyp so Sin E= 8/10 or 4/5
I think that they both have in common this phenomenon: c)extensive skill at warfare