Find the amplitude, period, and phase shift of the function. Sketch the graph of one period of the function. y=2 cos (1/2x - pi/6)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.5: Trigonometric Graphs
Problem 34E
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Find the amplitude, period, and phase shift of the function. Sketch the graph of one period of the function.

y=2 cos (1/2x - pi/6) 

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