ander1sEsterileighn ander1sEsterileighn

21-06-2016
Mathematics

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For the function given, state the middle line: ƒ(t) = 3 cos(π t − 1).

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HomertheGenius HomertheGenius

02-07-2016

The amplitude is 3 since y = A cos (B ) + C
The vertical shift is C = 0 and B = π t - 1 ( horizontal frequency and shift )
This means that the graph oscillate between -3 and 3.
The middle line is y = 0.

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