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[" incelizementest consider a function "f:[a(pi)/(2)]rarr R" given by "f(x)=sin x" and "],[8(1,2g*[a(pi)/(2)]rarr R" given by "g(x)=cos x*" Show that fand "g" are coocroos,bot "f+g" is and "],[" is ancoter."]

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