Question

When looking at the unit circle, what do you notice about the value of sine and the value of the y coordinate?

a the values are the same
C. the values are opposites
b. the absolute values are different
d. none of the above

Answer 1

a. the values are the same.

Explanation:

The sine = y-coordinate / hypotenuse. The unit circle has hypotenuse = 1, so

the sine = y /1 = y.