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Mathematics
Problem
51. True or False The function
f
(
x
)
=
tan
x
f(x)=\tan x
f
(
x
)
=
tan
x
is increasing on the interval
(
−
∞
,
∞
)
(-\infty, \infty)
(
−
∞
,
∞
)
. Justify your answer.
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