$\"\"$

The standard form of the unit circle is $\"\"$ .

The point is $\"\"$ .

To verify that the point $\"\"$ lies on the graph of the unit circle, substitute the point $\"\"$ in $\"\"$ .

$\"\"$

Since the radius is 1 unit, the point $\"\"$ lies on the graph of the unit circle.

$\"\"$

Yes, the point $\"\"$ lies on the graph of the unit circle.