The terminal side of an angle intersects the unit circle at . In which quadrant does lie?
Options
A
First quadrant
B
Second quadrant
C
Third quadrant
D
Fourth quadrant
Answer & Analysis
Answer
C
Analysis
On the unit circle, the sign of the x- and y-coordinates determines the quadrant:
x > 0 , y > 0 : First quadrant.
x < 0 , y > 0 : Second quadrant.
x < 0 , y < 0 : Third quadrant.
x > 0 , y < 0 : Fourth quadrant.
The coordinates
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