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1. Which of the following is not true about the unit circle? A. The circumference of a unit circle is 2n. B. The area of a unit circle is 12. C. The equation of a unit circle is x2 + y2 = 1. D. The radius of a unit circle is 1. 2. Which of the following is always true about a reference angle? A. A reference angle may be negative. B A reference anglo onr

1. Which of the following is not true about the unit circle? A. The circumference of a unit circle is 2n. B. The area of a unit circle is 12. C. The equation of a unit circle is x2 + y2 = 1. D. The radius of a unit circle is 1. 2. Which of the following is always true about a reference angle? A. A reference angle may be negative. B A reference anglo onr

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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1. Which of the following is not true about the unit circle? A. The circumference of a unit circle is 2n. B. The area of a unit circle is 12. C. The equation of a unit circle is x2 + y2 = 1. D. The radius of a unit circle is 1. 2. 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:1. Which of the following is not true about the unit circle? A. The circumference of a unit circle is 2n. B. The area of a unit circle is 12. C. The equation of a unit circle is x2 + y2 = 1. D. The radius of a unit circle is 1. 2. 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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