The angle
.


.
The angle
is negative angle.
So, negative angles are generated by clock wise rotation.
\
is quadrant IV.
is quadrant III
.
is quadrant II.
is quadrant I.
The angle is
.
The angle
is between
and
.
The angle is in Quadrant III.
\The angle
.
The angle
is between
and
.
So it is in quadrant IV. \ \
\The angle
is in Quadrant III.
The angle
is in Quadrant IV.