Identify the quadrant that the given angle is located in.
$\frac{7\pi }{4}$ radians

Identify the quadrant that the given angle is located in.

$\frac{\pi }{7}$ radians

Identify the quadrant that the given angle is located in.

$\frac{2\pi }{3}$ radians

Identify the quadrant that the given angle is located in.

$\frac{6\pi }{5}$ radians

Test whether the point is on the unit circle by plugging it into the equation, $x^2+y^2=1$.

$\(\left\)(\(\frac{-\sqrt2}{2}\),\(\frac{-\sqrt2}{2}\]\right\))$