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Mathematics
Mathematics
Problem
If
d
d
x
(
sin
x
+
C
)
=
cos
x
\frac{d}{dx} (\sin x + C) = \cos x
d
x
d
(
sin
x
+
C
)
=
cos
x
, then find
∫
cos
x
d
x
\int \cos x dx
∫
cos
x
d
x
.
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