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Mathematics
Mathematics
Problem
d
d
x
(
log
tan
x
)
\frac{d}{dx}(\log \tan x)
d
x
d
(
lo
g
tan
x
)
is equal to (A)
2
sec
2
x
2 \sec 2x
2
sec
2
x
(B)
2
csc
2
x
2 \csc 2x
2
csc
2
x
(C)
sec
2
x
\sec 2x
sec
2
x
(D)
csc
2
x
\csc 2x
csc
2
x
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