bicaplinger7766
30.05.2020 •
Mathematics
Points A, B, and C are plotted on the unit circle.
Which of the coordinates is equal to cos (pi)
A. x-coordinate of point A
B. y-coordinate of point A
C. x-coordinate of point B
D. y-coordinate of point B
E. x-coordinate of point C
F. y-coordinate of point C
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Ответ:
E. x-coordinate of point C
Step-by-step explanation:
Consider the diagram of the unit circle which has been drawn and attached.
Using a calculator in radians,
On the unit circle, out of points A, B and C, the point -1 is at point C.
Point C is located at (-1,0).
Therefore, is the x-coordinate of point C.
The correct option is E.
Ответ: