Cos Y=?

5/13

5/12

12/13

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Pls will give brainliest and all p.s u can zoom in if u cant see plss

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.