Suppose that f : R R is continuous and periodic. The modulus of continuity of f
Question:
a) Show that
for k ˆˆ N.
b) Prove that
for k ˆˆ N.
c) Use part b) to give a different proof the Riemann-Lebesgue Lemma in the special case when f is periodic and continuous.
Transcribed Image Text:
o(f, δ) = lft + h)-f(t)I. sup hisã ST a and l((s.)
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a Using the change of variables t u k dt du and a sum angle formula we hav...View the full answer
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