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Mathematics
Mathematics
Problem
If
f
(
x
)
=
tan
x
x
2
f(x)=\dfrac{\tan x}{x^{2}}
f
(
x
)
=
x
2
tan
x
, determine
f
′
(
π
/
4
)
f'(\pi/4)
f
′
(
π
/4
)
.
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