has to be (b)
tan(npi) is always 0,where 'n' is an integer.
dx is { where [.] denotes the greatest integer fnction} :
(a) 1000 (b) 0 (c) 1/500 (d)none of these
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UP 0 DOWN 0 0 2
dx is { where [.] denotes the greatest integer fnction} :
(a) 1000 (b) 0 (c) 1/500 (d)none of these