LimitsHard

Question

A point (x, y), where function f(x) = [sin [x]] in (0, 2π) is not continuous, is ([.] denotes greatest integer ≤ x).

Options

A.(3, 0)
B.(2, 0)
C.(1, 0)
D.(4, -1)

Solution

f(x) = [sin[x]] =
f(x) is discontinuous at (4, -1)

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