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Mathematics
Mathematics
Problem
A line makes an angle
θ
\theta
θ
both with
X
X
X
and
Y
Y
Y
-axes. A possible range of
θ
\theta
θ
is a.
[
0
,
π
4
]
\left[0, \frac{\pi}{4}\right]
[
0
,
4
π
]
b.
[
0
,
π
2
]
\left[0, \frac{\pi}{2}\right]
[
0
,
2
π
]
c.
[
π
4
,
π
2
]
\left[\frac{\pi}{4}, \frac{\pi}{2}\right]
[
4
π
,
2
π
]
d.
[
π
6
,
π
3
]
\left[\frac{\pi}{6}, \frac{\pi}{3}\right]
[
6
π
,
3
π
]
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