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Identify the beginning of a sample period for the function

Identify the beginning of a sample period for the function-example-1
User Dwmcc
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Given:


f(t)\text{ = 2csc\lparen t + }(\pi)/(4))-1\text{ }

The graph of f(t) is shown below:

From the graph, we can see that


x=\text{ }(\pi)/(4)\text{ is a good start for the period of f\lparen t\rparen}

Answer: Option D

Identify the beginning of a sample period for the function-example-1
User Adam Kiss
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