How do the frequency and period relate to each other?

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Paul N.
Nov 5, 2014

Frequency and period are related inversely. A period #P# is related to the frequency #f#
# P = 1/f#

Something that repeats once per second has a period of 1 s. It also have a frequency of # 1/s#. One cycle per second is given a special name Hertz (Hz). You may also say that it has a frequency of 1 Hz.

A sin function repeats regularly. Its frequency (and period) can be determined when written in this form:

#y(t) = sin(2pi f t)#

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