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Which of the following is always true about a reference angle? A. A reference angle may be negative. B. A reference angle can be an obtuse angle. C. Two different angles (not coterminal) in the same quadrant can't have the same reference angle. D. The reference angle of 0, whose terminal side lies in the first quadrant, is also equal to 0.

Which of the following is always true about a reference angle? A. A reference angle may be negative. B. A reference angle can be an obtuse angle. C. Two different angles (not coterminal) in the same quadrant can't have the same reference angle. D. The reference angle of 0, whose terminal side lies in the first quadrant, is also equal to 0.

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter67: Analysis Of Trigonometric Functions
Section: Chapter Questions
Problem 9A: Refer to the following figure in answering Exercises 7 through 13. It may be helpful to sketch...
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Which of the following is always true about a reference angle? A. A reference angle may be negative. B. A reference angle can be an obtuse angle. C. Two different angles (not coterminal) in the same quadrant can't have the same reference angle. D. The reference angle of 0, whose terminal side lies in the first quadrant, is also equal to 0.
Transcribed Image Text:Which of the following is always true about a reference angle? A. A reference angle may be negative. B. A reference angle can be an obtuse angle. C. Two different angles (not coterminal) in the same quadrant can't have the same reference angle. D. The reference angle of 0, whose terminal side lies in the first quadrant, is also equal to 0.
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