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Questions and Answers
What is the reference angle for 960°?
What is the reference angle for 960°?
- 45°
- 60° (correct)
- 30°
- 90°
Which of the following angles corresponds to a reference angle of 45°?
Which of the following angles corresponds to a reference angle of 45°?
- 1740°
- 1050° (correct)
- 1110° (correct)
- 765° (correct)
Identify the angle that has a reference angle of 90°.
Identify the angle that has a reference angle of 90°.
- 1530°
- 1890° (correct)
- 1710°
- 1980°
Which angle has a reference angle of 30°?
Which angle has a reference angle of 30°?
What is the reference angle for 1350°?
What is the reference angle for 1350°?
Flashcards
Reference angle for 750°
Reference angle for 750°
The positive acute angle formed by the terminal side of an angle and the x-axis.
Reference angle for 990°
Reference angle for 990°
990° is equivalent to 990-8(360) = 90°
Reference angle for 1230°
Reference angle for 1230°
An angle of 1230° is coterminal with 1230 - 3(360) = 150°
Reference angle
Reference angle
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Reference angle for 1890°
Reference angle for 1890°
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Study Notes
Reference Angles
- Various angles and their corresponding reference angles are listed.
- A reference angle is the acute angle formed between the terminal side of an angle and the x-axis.
- Examples include:
- 750° has a reference angle of 30°
- 765° has a reference angle of 45°
- 780° has a reference angle of 60°
- 810° has a reference angle of 90°
- 840° has a reference angle of 60°
- ... and so on up to 2100° having a reference angle of 60°
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