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Mathematics
Mathematics
Problem
For
x
x
x
in the interval
(
0
,
π
/
2
)
(0,\pi/2)
(
0
,
π
/2
)
, determine whether the function
f
(
x
)
=
sec
x
f(x)=\sec x
f
(
x
)
=
sec
x
is increasing or decreasing. Justify your answer using
f
′
(
x
)
f'(x)
f
′
(
x
)
.
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