SOLUTION: If at rest the human heart beats once every second then what is the trigonometric equation for maximum blood pressure is 120mmHg, minimum blood pressure is 80mmHg and t=0 corresp

Question 872862: If at rest the human heart beats once every second then what is the trigonometric equation for maximum blood pressure is 120mmHg, minimum blood pressure is 80mmHg and t=0 corresponds to the peak of the beat. also sketch the blood pressure over two heart beats.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
If at rest the human heart beats once every second then what is the trigonometric equation for maximum blood pressure is 120mmHg, minimum blood pressure is 80mmHg and t=0 corresponds to the peak of the beat. also sketch the blood pressure over two heart beats.
------
Draw the picture.
----
average pressure is (120+80)/2 = 100
So amplitude = 120-100 = 20
----
vertical shift = 100
-------------------------
Period = 1 second
So, 1 = (2pi)/b
b = 2pi
-----
Cosine is maximum at t = 0
---
Equation:
y = 20*cos(2pix)+100
-----

==================
Cheers,
Stan H.
------------------
RELATED QUESTIONS
I have to do the following question: "At rest, the human heart beats once every second. (answered by Fombitz)

A person’s resting blood pressure is 116 over 88. This means that the blood pressure... (answered by ikleyn)

Suppose that Keisha's blood pressure can be modeled by the following function:... (answered by stanbon)

The maximum heart rate of a person, in beats per minute, can be estimated using the... (answered by Theo)

Systolic blood pressure, the upper number in a blood pressure reading, is measured as... (answered by robertb)

The ideal maximum heart rate for 25 years old who burn fat is 117 beats per minute. For... (answered by ankor@dixie-net.com)

m=220-a The given equation models a person’s maximum heart rate m, in beats per... (answered by ikleyn)

I been working on these problems PLEASE HELP! 1. The body mass index, I, can be... (answered by stanbon)

The pulmonary artery, which pumps blood from the heart to the lungs, has an inner radius... (answered by ikleyn)