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Mathematics
Mathematics
Problem
Determine the open intervals on
(
−
π
/
2
,
π
/
2
)
(-\pi/2,\,\pi/2)
(
−
π
/2
,
π
/2
)
where the function
y
=
tan
x
−
x
y=\tan x- x
y
=
tan
x
−
x
is increasing.
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