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A function is defined over (0,6) by 0 <and I <3 f(1) = - { 3<; and <6 We then extend it to an odd periodic function of period

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sol : - Grinen faretion is flas= ocn43 3 26 0 3 cu This function may be appronimated by the Fourier trasa ao + E[anco (mer)Here fla) is an odd function, Then flus cos (err) is also an add function. a = – Sta) de and a = - Strona (non de Then an = 0b = – 1 20 put n-3, L. 36 cos (27) 3 2 gal sir (30 2 ho 42 put a nay, ₂4 1 cas (20) b4 I 40 Ans Now the solution of the ginen

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