Question

The Fourier cosine integral representation of an even function f(x) defined in the
interval −∞ < < ∞ is

Answer 1

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Rabindranath Tagore, Bengali Rabīndranāth Ṭhākur, (born May 7, 1861, Calcutta [now Kolkata], India—died August 7, 1941, Calcutta), Bengali poet, short-story writer, song composer, playwright, essayist, and painter who introduced new prose and verse forms and the use of colloquial language into Bengali literature

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