(a) If 0 is in standard position, then the reference angle 0 is the acute angle formed by the terminal side of e and the ---Select--- E. So the reference angle for e = 120° is e = and that for 0 = 190° is 0 = (b) If e is any angle, the value of a trigonometric function of 0 is the same, except possibly for sign, as the value of the trigonometric function of 0. So sin(120°) = sin and sin(190°) = -sin
(a) If 0 is in standard position, then the reference angle 0 is the acute angle formed by the terminal side of e and the ---Select--- E. So the reference angle for e = 120° is e = and that for 0 = 190° is 0 = (b) If e is any angle, the value of a trigonometric function of 0 is the same, except possibly for sign, as the value of the trigonometric function of 0. So sin(120°) = sin and sin(190°) = -sin
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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![(a) If 0 is in standard position, then the reference angle 0 is the acute angle formed by the terminal side of 0 and the
---Select---
So the reference angle for 0
= 120° is 0 =
and that for 0
= 190° is 0 =
(b) If 0 is any angle, the value of a trigonometric function of 0 is the same, except possibly for sign, as the value of the trigonometric function of 0. So sin(120°) :
= sin
and
sin(190°)
= -sin](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F05276323-f51a-4f52-b582-fb773aa52696%2F022a5dc7-6de1-49b0-b08d-448918f9ded3%2F3kmu1p8_processed.png&w=3840&q=75)
Transcribed Image Text:(a) If 0 is in standard position, then the reference angle 0 is the acute angle formed by the terminal side of 0 and the
---Select---
So the reference angle for 0
= 120° is 0 =
and that for 0
= 190° is 0 =
(b) If 0 is any angle, the value of a trigonometric function of 0 is the same, except possibly for sign, as the value of the trigonometric function of 0. So sin(120°) :
= sin
and
sin(190°)
= -sin
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