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f(t) -S -8 -7 -3 --1 3 5 1 2 13 4 7 8 9 12 t(ms 15 16 4. For the above periodic signal f(t), specify the symmetry (if any) an

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Answer #1

Given signal t(ms) O 2 -2 -1 f(t) = f(-t). Hence this signal has even symmetry &nb. And the signal is repeating for every WoI ft) cosa Wot dt. since Act) is even signal. 8 J. 2 3 (promet at tjekcemast me = [(x sinnarit) - K (Singastro ut (sin 2.100bna ( Acts sinnust et since flt is even bn =o. if(t) = Qot e ancosowot + bnsin noot n=1 8K sinta in costin) cosnw.t n=1 Expon

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