7. What is the reference angle in radians of the angle that measures 2700? A. n c. D. В.

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7. What is the reference angle in radians of the angle that measures 270°?
А. п
В.
D.=
8. What is the measure of the reference angle for an angle of –310° in standard
position?
А. 310°
В. -50°
С. 50°
D. -130°
9. Which of these angles is coterminal with an angle of 230° in standard position?
A. –130°
В. 130°
С. -230°
D. 40°
10. Which of these angles is NOT coterminal with an angle of -240° in standard
position?
А. 120°
В. -600°
С. -60°
D. 480°
Transcribed Image Text:7. What is the reference angle in radians of the angle that measures 270°? А. п В. D.= 8. What is the measure of the reference angle for an angle of –310° in standard position? А. 310° В. -50° С. 50° D. -130° 9. Which of these angles is coterminal with an angle of 230° in standard position? A. –130° В. 130° С. -230° D. 40° 10. Which of these angles is NOT coterminal with an angle of -240° in standard position? А. 120° В. -600° С. -60° D. 480°
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