If the angle 0 is in standard position and P(x, y) is a point on the terminal side of 0, andr is the distance from the origin to P, then sin(0) cos(0) tan(0)

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter2: Right Triangle Trigonometry
Section: Chapter Questions
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please answer both questions

(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--- v. So the reference angle for 0 = 120° is =
°, 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
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--- v. So the reference angle for 0 = 120° is = °, 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
If the angle 0 is in standard position and P(x, y) is a point on the terminal side of 0, and r is the distance from the origin to
P, then
sin(0) =
cos(0)
tan(0) =
Transcribed Image Text:If the angle 0 is in standard position and P(x, y) is a point on the terminal side of 0, and r is the distance from the origin to P, then sin(0) = cos(0) tan(0) =
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