The sin function is periodic ever 2PI radians.
a)2PI=PI/3 T
or T for one cycle=6 seconds
b) how many 6 seconds are in one minute?
1) For a person at rest, the velocity v (in liters per second) of air flow during a respiratory cycle is
V = 0.85 sin pi(t)/ 3
where t is the time in seconds. (Inhalation occurs when v > 0 and exhalation occurs when v < 0)
A) Find the time for one full respiratory cycle
B) Find the number of cycles per minute.
Please explain. I do not understand!! Thank You
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