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Home Q & A Board Science-Related Homework Help Mathematics Calculus
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s.h_math s.h_math
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Posts: 293
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2 years ago
a biological variable y varies sinusoidally with a period of 28 days attaining its maximum at t=12 (t is measured in days). if the max and min values of y are 0.42 and 0.28, obtain a formula for y as a function of time
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wrote...
#1
Educator
2 years ago
Hope this helps.



Feel free to ask follow-up questions, otherwise mark as solved.
s.h_math Author
wrote...
#2
2 years ago Edited: 2 years ago, s.h_math
Sir why isn’t the amplitude ( ymax-y min) /2
Post Merge: 2 years ago

Sir that's how it says in my textbook, are you sure?
wrote...
#3
Educator
2 years ago
Quote from: s.h_math (2 years ago)
Sir why isn’t the amplitude ( ymax-y min) /2

Whoops, I forgot to divide by 2 after subtracting. It should be 0.14/2 = 7/100
s.h_math Author
wrote...
#4
2 years ago
oh, sir where is the correction that I should make?
wrote...
#5
Educator
2 years ago
Quote from: s.h_math (2 years ago)
oh, sir where is the correction that I should make?

Just replace the "a" value in the function with 7/100.

So y = (7/100)*sin(.... everything else remains the same.

Does that make sense?
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