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PLS HELP. PICTURE IS BELOW TO SEE THE GRAPH

Which trigonometric function does the graph below represent?
A. 2 sin（20 + pi/4 ）-1
B. sin（20- 2pi/3）＋1
C. 2 cos（20+ pi/8 ）-1
D. 2cos（20+ pi/4）－1

PLS HELP PICTURE IS BELOW TO SEE THE GRAPH Which trigonometric function does the graph below represent A 2 sin20 pi4 1 B sin20 2pi31 C 2 cos20 pi8 1 D 2cos20 pi class=


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