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The period of the square wave is $2\pi$ seconds per cycle, and its frequency is $\frac{1}{2\pi}$ cycles per second (or hertz). Frequency is defined as the reciprocal of the period.

Conditions: The function is periodic.; The horizontal axis represents time in seconds.

The period of the square wave is $2\pi$ seconds per cycle, and its frequency is $\frac{1}{2\pi}$ cycles per second (or hertz). Frequency is defined as the reciprocal of the period.

Conditions: The function is periodic.; The horizontal axis represents time in seconds.