Determine the amplitude, period, and phase shift of the function. Graph the function. y = 2 cos 2x- The amplitude is (Simplify your answer.) The period isO. (Type an exact answer, using z as needed. Use integers or fractions for any numbers in the expression.) The phase shift is (Type an exact answer, usingz 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
Chapter7: Analytic Trigonometry
Section7.2: Trigonometric Equations
Problem 78E
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Determine the amplitude, period, and phase shift of the function. Graph the function.
y = 2 cos 2x
The amplitude is
(Simplify your answer.)
The period is.
(Type an exact answer, using T as needed. Use integers or fractions for any numbers in the expression.)
The phase shift is
(Type an exact answer, using r as needed. Use integers or fractions for any numbers in the expression.)
Transcribed Image Text:Determine the amplitude, period, and phase shift of the function. Graph the function. y = 2 cos 2x The amplitude is (Simplify your answer.) The period is. (Type an exact answer, using T as needed. Use integers or fractions for any numbers in the expression.) The phase shift is (Type an exact answer, using r as needed. Use integers or fractions for any numbers in the expression.)
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