A trigonometric function is given. y = -7 cos(9x) (a) Find the amplitude, period, phase, and horizontal shift of the function. amplitude period phase horizontal shift (b) Sketch the graph of one complete period. y 10 5 -5 -10 y 10 5 N -5 -10, y L

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.5: Trigonometric Graphs
Problem 18E
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A trigonometric function is given.
y = -7 cos(9x)
(a) Find the amplitude, period, phase, and horizontal shift of the function.
amplitude
period
phase
horizontal shift
(b) Sketch the graph of one complete period.
y
10
5
-5
-10
y
10
5
N
-5
-10,
y
LA
Transcribed Image Text:A trigonometric function is given. y = -7 cos(9x) (a) Find the amplitude, period, phase, and horizontal shift of the function. amplitude period phase horizontal shift (b) Sketch the graph of one complete period. y 10 5 -5 -10 y 10 5 N -5 -10, y LA
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