What effect does the negative sign have on the graph of y = -2 cos x? reflects the graph of y = cos x over the y-axis shifts the graph 2 units down shifts the graph 2 units to the left reflects the graph of y = cos x over the x-axis
What effect does the negative sign have on the graph of y = -2 cos x? reflects the graph of y = cos x over the y-axis shifts the graph 2 units down shifts the graph 2 units to the left reflects the graph of y = cos x over the x-axis
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Trigonometric Functions: Unit Circle Approach
Section6.3: Trigonometric Graphs
Problem 2E
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13. What effect does the negative sign have on the graph of y = -2 cos x?
reflects the graph of y = cos x over the y-axis
shifts the graph 2 units down
shifts the graph 2 units to the left
reflects the graph of y = cos x over the x-axis
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