10
QuizMultiple Choice

The Unit Circle

Question 10 • 2100W.1Y_Geometry Web Recovery* – S2509533

Which of the following best explains why ?

Question illustration
Answer
A
The angles do not have the same reference angle.
B
Cosine is negative in the second quadrant and positive in the fourth quadrant.
C
Cosine is positive in the second quadrant and negative in the fourth quadrant.
D
The angles do not have the same reference angle or the same sign.