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Mathematics
Problem
Which of the following is equal to
∫
sec
2
x
d
x
\displaystyle \int \sec^{2}x\,dx
∫
sec
2
x
d
x
? a)
cot
x
+
C
\cot x + C
cot
x
+
C
b)
sec
3
x
3
+
C
\dfrac{\sec^{3}x}{3}+ C
3
sec
3
x
+
C
c)
tan
x
+
C
\tan x + C
tan
x
+
C
d)
sec
x
+
C
\sec x + C
sec
x
+
C
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