Respuesta :

wegnerkolmp2741o

Answer:

A

Step-by-step 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

Answer:

B- y coordinate of point A

Step-by-step explanation:

checked it