Use the circle shown in the rectangular coordinate system to solve Exercises 81–86. Find two angles, in radians, between -2𝜋 and 2𝜋 such that each angle's terminal side passes through the origin and the given point.

A

Find the angle of least positive measure (not equal to the given measure) that is coterminal with each angle. ―541°

Give two positive and two negative angles that are coterminal with the given quadrantal angle. 90°

Give two positive and two negative angles that are coterminal with the given quadrantal angle. 0°

Concept Check Sketch each angle in standard position. Draw an arrow representing the correct amount of rotation. Find the measure of two other angles, one positive and one negative, that are coterminal with the given angle. Give the quadrant of each angle, if applicable. 300 °

Concept Check Sketch each angle in standard position. Draw an arrow representing the correct amount of rotation. Find the measure of two other angles, one positive and one negative, that are coterminal with the given angle. Give the quadrant of each angle, if applicable. 90 °

Which of the following is a measure of an angle that is coterminal with $135°$?

Which of the following is a measure of an angle that is coterminal with $135°$?