Question 1075877
What is the frequency of the sinusoidal graph?
https://static.k12.com/nextgen_media/assets/8115224-NG_AL2_L_06_U03_Pool3_Var2.jpg
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Period = pi/2
Freq = 1/period = 2/pi
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Which equation represents the function on the graph?

 https://static.k12.com/nextgen_media/assets/1570527-IM3_141214_030405.jpg

f(x)=sin(2x)