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If y = sin x and y^(n) is the nth derivative of y with respect to x,
find the smallest positive integer n for which y^(n) = y.
1. Can someone rephrase this question?
2. How is this done? Steps, please....
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You want to find how many times you need to differentiate y until you end up with your original function y again.
Oh, I see. Thanks.
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