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please solve both questions
1. The values of a period 21t function f(c) in one full period are given. Sketch several periods of its graph and find its Fo
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1,- TT <t<o is given 447= {:6 Osts graph aflt) -ah 2 TT 3T fourier series formula 90+ Ž (an cos (nuqt) + bn sin crust)) f(t)211 शा at flt) cos (ow t)dt = 1 TT [ ] ㅗ 21 cosnt)dt +66) cosint.dt/ . [ sue as cond)at a Joe.combat +Jees cocinety [ Sant JoCOS(OT) 3 bn - 2h Tn for 7 (1) n even 3 an bn = TTO bn- -1 ain for no odd 3 bn = TT 13 bn 7 (-1) श 2T fourier series flt) is

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