Answer:
Step-by-step explanation:
4 4/5
Maybe this...?
3(3) + 2(8)
Since
lies in quadrant II and
lies in quadrant IV, we expect
,
, and
.
Recall the Pythagorean identities,

It follows that



Recall the angle sum identity for sine:

So we have

There are 12 student(s) in the group, because there is 12 one-third part(s) in 4 while jars