skyalrweiss96 skyalrweiss96

23-07-2018
Mathematics

contestada

For the function given, state the middle line; f(t) = 40cos (80t + 20)

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sarajevo sarajevo

01-08-2018

In the standard form of the equation

[tex] \\
\
f(t)=Acos[b(t\pm c)]+k\\
\\ [/tex]

The middle line =k

For our given problem

f(t) = 40cos (80t + 20)

On comparison we get k=0

Hence middle line=0

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