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Mathematics
Mathematics
Problem
Primitive of
2
1
+
cos
2
x
\frac{2}{1+\cos 2x}
1
+
c
o
s
2
x
2
is given by a)
sec
2
x
\sec^2 x
sec
2
x
c)
tan
x
\tan x
tan
x
b)
2
sec
2
x
tan
x
2\sec^2 x \tan x
2
sec
2
x
tan
x
d)
−
cot
x
-\cot x
−
cot
x
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