Homework Help: Math

Posted by pawan puri on Tuesday, April 27, 2010 at 1:23pm.

the temperature in degree celcius in a factory during the course of a working day from 6am to 10pm, can be modelled by the function
H(t)=18+6sin(pi/8-5pi/4)for6< t < 22
- -
where t is the time in hours on 24 hour clock.
what are the highest and lowest temp. during the working day.

Math - Reiny, Tuesday, April 27, 2010 at 1:38pm
Your trig function part of your equation has no variable, so H(t) is a constant value of 18.38

Do you have a typo?

Assuming there is a variable t in there somewhere, the max value would be 18+6 or 24
and the minimum would be 18-6 = 12

Since I don't know your "angle" I cannot determine when that would happen

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