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Trigonometry
medium
0:00.0
Find the minimum value of
f
(
x
)
=
−
2
cos
(
x
)
+
3
f(x) = -2\cos(x) + 3
f
(
x
)
=
−
2
cos
(
x
)
+
3
.
A
−
2
-2
−
2
B
1
1
1
C
3
3
3
D
5
5
5
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