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Question Number 169751 by ali009 last updated on 07/May/22
$${find}\:\:{the}\:{forier}\:{transform}\:{of} \\ $$$${g}\left({t}\right)=\mathrm{cos}^{\mathrm{2}} \left(\mathrm{2}\pi\:\mathrm{f}_{\mathrm{c}} \:\mathrm{t}\right)\:\:\: \\ $$