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Problem
Problem
The domain of the function
f
(
x
)
=
sin
−
1
{
(
1
+
e
x
)
−
1
}
f(x) = \sin^{-1}\{(1 + e^x)^{-1}\}
f
(
x
)
=
sin
−
1
{(
1
+
e
x
)
−
1
}
is (a)
R
R
R
(b)
[
−
1
,
0
]
[-1, 0]
[
−
1
,
0
]
(c)
[
0
,
1
]
[0, 1]
[
0
,
1
]
(d)
[
−
1
,
1
]
[-1, 1]
[
−
1
,
1
]
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