3. Find the amplitude, period, and phase shift of the function. Graph the function. Be sure to label key points. Show at least two periods. y=2 cos What is the amplitude? (Simplify your answer. Type an exact answer, using x as needed. Use integers or fractions for any numbers in the expression.) What is the period? (Simplify your answer. Type an exact answer, using n as needed. Use integers or fractions for any numbers in the expression.) What is the phase shift? (Simplify your answer. Type an exact answer, using a as needed. Use integers or fractions for any numbers in the expression.)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.5: Trigonometric Graphs
Problem 9E
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3. Find the amplitude, period, and phase shift of the function.
Graph the function. Be sure to label key points. Show at
least two periods.
y=2 cos
41
3-
What is the amplitude?
2-
1-
(Simplify your answer. Type an exact answer, using x as
needed. Use integers or fractions for any numbers in the
expression.)
-2x
3x
-1-
3x
2
-2
What is the period?
-3-
-4-
-5
(Simplify your answer. Type an exact answer, using n as
needed. Use integers or fractions for any numbers in the
expression.)
-6-
What is the phase shift?
(Simplify your answer. Type an exact answer, using n as
needed. Use integers or fractions for any numbers in the
expression)
Transcribed Image Text:3. Find the amplitude, period, and phase shift of the function. Graph the function. Be sure to label key points. Show at least two periods. y=2 cos 41 3- What is the amplitude? 2- 1- (Simplify your answer. Type an exact answer, using x as needed. Use integers or fractions for any numbers in the expression.) -2x 3x -1- 3x 2 -2 What is the period? -3- -4- -5 (Simplify your answer. Type an exact answer, using n as needed. Use integers or fractions for any numbers in the expression.) -6- What is the phase shift? (Simplify your answer. Type an exact answer, using n as needed. Use integers or fractions for any numbers in the expression)
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