Let f(x)=[cos x+sin x], 0<x<2π, where [x] denotes the greatest intege – InterviewSolution

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1.	Let f(x)=[cos x+sin x], 0<x<2π, where [x] denotes the greatest integer less than of equal to x. The number of points of discontinuity of f(x) is
Answer» Let $f (x) = [c o s x + s i n x], 0 < x < 2 π,$ where [x] denotes the greatest integer less than of equal to x. The number of points of discontinuity of f(x) is

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