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Mathematics
Mathematics
Problem
If
f
(
x
)
=
5
sin
x
f(x)=5\sin x
f
(
x
)
=
5
sin
x
, calculate
f
′
(
x
)
f'(x)
f
′
(
x
)
at
x
=
π
6
x=\dfrac{\pi}{6}
x
=
6
π
. a)
5
2
2
\dfrac{5\sqrt{2}}{2}
2
5
2
b)
5
2
\dfrac{5}{2}
2
5
c)
5
3
2
\dfrac{5\sqrt{3}}{2}
2
5
3
d)
−
5
3
2
-\dfrac{5\sqrt{3}}{2}
−
2
5
3
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