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Problem
Problem
If
f
(
x
)
=
2
x
(
sin
x
+
tan
x
)
2
[
x
+
2
π
π
]
−
3
f(x) = \frac{2x(\sin x + \tan x)}{2\left[\frac{x+2\pi}{\pi}\right] - 3}
f
(
x
)
=
2
[
π
x
+
2
π
]
−
3
2
x
(
s
i
n
x
+
t
a
n
x
)
then it is, (where
[
⋅
]
[\cdot]
[
⋅
]
denotes the greatest integer function) (a) odd (b) even (c) many-one (d) one-one
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