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Mathematics
Mathematics
Problem
As
x
x
x
approaches
π
2
\dfrac{\pi}{2}
2
π
from the left, what is the limiting behavior of
d
d
x
(
tan
x
)
\dfrac{d}{dx}(\tan x)
d
x
d
(
tan
x
)
? State whether the derivative tends to
+
∞
+\infty
+
∞
,
−
∞
-\infty
−
∞
, or a finite value, and indicate the sign.
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