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Points A, B, and C are plotted on the unit circle.

Which of the coordinates is equal to sin
(4pi/5)

Points A, B, and C are plotted on the unit circle. Which of the coordinates is equal-example-1

2 Answers

3 votes

Answer:

B- y coordinate of point A

Explanation:

checked it

User Jusopi
by
3.5k points
3 votes

Answer:

A

Explanation:

sin (4pi/5)

The y value is positive

sin (pi) = 0 and we know pi is at the left side of the unit circle

(4pi/5) is less than pi so it comes before pi on the unit circle

User Turezky
by
3.6k points