When Hyperventilating, a Person Breathes in and Out Extremely Rapidly $V = 3 - 0.04 \cos ( 210 \pi t )$

question 2

Short Answer

When hyperventilating, a person breathes in and out extremely rapidly.A spirogram is a machine that draws a graph of the volume of air in a person's lungs as a function of time.During hyperventilation, the spirogram trace may be represented by $V = 3 - 0.04 \cos ( 210 \pi t )$ , where V is the volume of the lungs in liters and t is the time in minutes.What is the period of this function in seconds?

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