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Problem
Problem
If
f
(
x
)
=
sin
2
x
f(x) = \sin^2 x
f
(
x
)
=
sin
2
x
and the composite function
g
(
f
(
x
)
)
=
∣
sin
x
∣
g(f(x)) = |\sin x|
g
(
f
(
x
))
=
∣
sin
x
∣
, then the function
g
(
x
)
g(x)
g
(
x
)
is equal to (a)
x
−
1
\sqrt{x-1}
x
−
1
(b)
x
\sqrt{x}
x
(c)
x
+
1
\sqrt{x+1}
x
+
1
(d)
−
x
-\sqrt{x}
−
x
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