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Mathematics
Mathematics
Problem
Primitive of
1
+
tan
x
1
−
tan
x
\frac{1+\tan x}{1-\tan x}
1
−
t
a
n
x
1
+
t
a
n
x
is given by a)
sec
2
(
π
4
+
x
)
+
c
\sec^2\left(\frac{\pi}{4} + x\right) + c
sec
2
(
4
π
+
x
)
+
c
c)
log
∣
sec
(
π
4
+
x
)
∣
+
c
\log\left|\sec\left(\frac{\pi}{4} + x\right)\right| + c
lo
g
sec
(
4
π
+
x
)
+
c
b)
sec
2
(
π
4
−
x
)
+
c
\sec^2\left(\frac{\pi}{4} - x\right) + c
sec
2
(
4
π
−
x
)
+
c
d)
log
∣
sec
(
π
4
−
x
)
∣
+
c
\log\left|\sec\left(\frac{\pi}{4} - x\right)\right| + c
lo
g
sec
(
4
π
−
x
)
+
c
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