Determine the period of the sine function

The video tutorial explains how to determine the period of a function, emphasizing the importance of understanding the definition of the period as the distance for a graph to repeat itself. It introduces the formula for calculating the period, 2π/b, where b is the coefficient of the linear term in the function. The tutorial then applies this formula to an example, simplifying 2π/420 to π/210, and confirms it as a correct answer choice.

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