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OpenStudy (anonymous):
The temperature of a chemical reaction ranges between 20°C and 160°C. The temperature is at its lowest point when t = 0 and completes one cycle over an eight-hour period. What is a sine function that would model this reaction?
OpenStudy (anonymous):
Is the answer f(t) = 90 sin pi/4 t + 70?
OpenStudy (anonymous):
correct.
OpenStudy (anonymous):
@lifegood141 how sure are you? this is a grade and i really need 100
OpenStudy (anonymous):
i did the same question when i was in algebra 2. it was easy for me to look over
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OpenStudy (anonymous):
@lifegood141 thanks so much
OpenStudy (anonymous):
no problem. hmu if u need anything
OpenStudy (anonymous):
@lifegood141 i have one more if you don't mind?
OpenStudy (anonymous):
could you simplify sin^2 theta / cos^2 theta @lifegood141
OpenStudy (anonymous):
sure give me a second
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OpenStudy (anonymous):
ok im not fully sure that this is correct but 1 -(1+cos 0) = - cos 0
OpenStudy (anonymous):
im not fully sure tho i havent done this for a while
OpenStudy (anonymous):
@lifegood141 yeah that's not an answer. it's cool though, you've helped a ton :)