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

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asked Feb 19, 2017 102k views

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Aswin · Answer 1 · 2017-02-24T02:31:40+0000

Cos (πt - 1) oscilates periodically between -1 and +1.

3Cos (πt - 1) oscilates periodically between -3 and +3.

The x-axis is the middle line. The equation of the x-axis is y = 0.

So the, the middle line is y=0.

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

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