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Problem
Problem
The angle between the tangents drawn from the origin to the parabola
y
2
=
4
a
(
x
−
a
)
y^2 = 4a(x - a)
y
2
=
4
a
(
x
−
a
)
is a.
90
∘
90^\circ
9
0
∘
b.
30
∘
30^\circ
3
0
∘
c.
tan
−
1
(
1
2
)
\tan^{-1}\left(\frac{1}{2}\right)
tan
−
1
(
2
1
)
d.
45
∘
45^\circ
4
5
∘
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