Calculate the time period of the waveform y(t)=7cos(54πt+2π÷4). – McqOptions

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1.	Calculate the time period of the waveform y(t)=7cos(54πt+2π÷4).
A.	.055 sec
B.	.037 sec
C.	.023 sec
D.	.017 sec
Answer» C.

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