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Number points of discontinuity of f(x)=t...

Number points of discontinuity of `f(x)=tan^2x- sec^2 x` in `(0,2pi)` is

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Knowledge Check

  • If f(x) = sgn (x) and g (x) = (1-x^2) ,then the number of points of discontinuity of function f (g (x)) is -

    A
    exact two
    B
    exactly three
    C
    finite and more than 3
    D
    infinitely many

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