2. Let f(t) be a continuous function on the interval [0, 27]. Suppose the 1st order Fourier approximation to f(t) is 1 – cos(t). Prove that " f(t)²dt > 3n.
2. Let f(t) be a continuous function on the interval [0, 27]. Suppose the 1st order Fourier approximation to f(t) is 1 – cos(t). Prove that " f(t)²dt > 3n.
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.5: Applications Of Inner Product Spaces
Problem 91E
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