Set, Relation and FunctionHard

Question

Number of integral elements contained in the range of function f(x) = sin-1 is -

Options

A.0
B.1
C.2
D.3

Solution

is always positive
at x = 0 = 1
as x → ∞ → 0
⇒ (0,1]
hence range is
integral element is 1.

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