Use the circle shown in the rectangular coordinate system to find two angles,
in radians, between
-2x and 2x such that each angle's terminal side passes through
the origin and the point
indicated on the circle.
The two angles that determine the indicated point on the circle are
(Simplify your anwers. Type exact answers in terms of x. Use integers or fractions for any numbers in the expressions.
Use a comma to separate answers as needed.)