Question: Is my answer correct? Which one of the equations below matches the graph? 0 ..... O A. y= 2 cos -X O B. y= 4
Is my answer correct?

Which one of the equations below matches the graph? 0 ..... O A. y= 2 cos -X O B. y= 4 cos (2x) O C. y= 4 cos 2X O D. y = 4 sin 2 X
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