realoneree
realoneree
15.07.2019 • 
Mathematics

What is the general equation of a cosine function with an amplitude of 3, a period of 4s, and a horizontal shift of - *?
y=4picos(3(x- *))
y=3cos(45(x+8))
y=3cos(0.5(x+x))
y=4picos(0.2(x+5))

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