Show that the functions 0oU) l/2,0i(x) cosx,... ,0(x) = cosnx, 0+i(x) - sinx,...
Chapter 8, Problem 17(choose chapter or problem)
Show that the functions 0oU) l/2,0i(x) cosx,... ,0(x) = cosnx, 0+i(x) - sinx,... , 02/i-i U') = sin(n l)x are orthogonal on [n, n] with respect to vv(x) s 1.
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