Question

WORDY question:

Answer 1

Where are \(7\pi/6\) and \(11\pi/6\) located on the unit circle?

Answer 2

http://dj1hlxw0wr920.cloudfront.net/userfiles/wyzfiles/cbcc06ed-6e1d-43dc-9e7e-7043e07a2e18.png

Answer 3

That is \(7\pi/6\). Where is the other one?

Answer 4

Good. Now, when you take the cosine of those angles, are they the same?

Answer 5

no

Answer 6

so, since the terminal sides are in Q3 and Q4, the cosines aren't the same.

Answer 7

so what would you say the answer is? C or D