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Trigonometry
medium
0:00.0
What is the amplitude of
y
=
−
2
cos
(
3
x
)
+
5
y = -2\cos(3x) + 5
y
=
−
2
cos
(
3
x
)
+
5
?
A
2
2
2
B
−
2
-2
−
2
C
5
5
5
D
3
3
3
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