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Mathematics
Problem
The angle at which the curve
y
=
k
e
k
x
y = ke^{kx}
y
=
k
e
k
x
intersects
Y
Y
Y
-axis is a.
tan
−
1
(
k
2
)
\tan^{-1}(k^2)
tan
−
1
(
k
2
)
b.
cot
−
1
(
k
2
)
\cot^{-1}(k^2)
cot
−
1
(
k
2
)
c.
sin
−
1
(
1
1
+
k
4
)
\sin^{-1}\left(\frac{1}{\sqrt{1+k^4}}\right)
sin
−
1
(
1
+
k
4
1
)
d.
sec
−
1
(
1
+
k
4
)
\sec^{-1}(1+k^4)
sec
−
1
(
1
+
k
4
)
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