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Asked by Kim



A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function?

I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?
9 years ago

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Answered by Steve
Looks good to me.
9 years ago
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A cos wave has its first maximum at the point (pie/2, 2) and its first minimum at (5pie/2, -4) what is the equation of the function?

I remember writing 3cos(1/2(x-pie/2)-1 but I'm sure that it's wrong ?

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