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Mathematics
Problem
Which function among the following has derivative
e
tan
x
sec
2
x
e^{\tan x}\sec^2 x
e
t
a
n
x
sec
2
x
? a)
e
x
tan
x
e^{x}\tan x
e
x
tan
x
b)
e
tan
x
e^{\tan x}
e
t
a
n
x
c)
tan
(
e
x
)
\tan(e^{x})
tan
(
e
x
)
d)
e
tan
x
sec
2
x
e^{\tan x}\sec^2 x
e
t
a
n
x
sec
2
x
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