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Mathematics
Mathematics
Problem
Find the value of
d
d
x
(
3
sin
x
−
4
cos
x
)
\dfrac{d}{dx}\bigl(3\sin x - 4\cos x\bigr)
d
x
d
(
3
sin
x
−
4
cos
x
)
at
x
=
π
4
x = \dfrac{\pi}{4}
x
=
4
π
.
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