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Results tagged with finite-differences
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user 3537
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votes
What is the indefinite sum of tan(x)?
Consider T(x) in T(x+1)-T(x)=tan(x) to be defined only on the integers>=0 and write it as the recurrence relation :
T(n+1)-T(n)=tan(n)
and set the initial value at T(0)=0,
and then without needing …
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