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Mathematics
Mathematics
Problem
Calculate the slope of the graph of
f
(
x
)
=
3
x
cot
x
f(x)=3x\cot x
f
(
x
)
=
3
x
cot
x
at
x
=
π
4
x=\dfrac{\pi}{4}
x
=
4
π
. a)
+
1.71
+1.71
+
1.71
b)
−
1.71
-1.71
−
1.71
c)
−
0.57
-0.57
−
0.57
d)
−
4.71
-4.71
−
4.71
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