Periodic Phenomena
AP Precalculus · Flashcards · Recall
AP PRECALCULUS · FLASHCARDS
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QUESTION
State the amplitude of
y
=
4
cos
(
x
)
y = 4 \, \text{cos}(x)
y
=
4
cos
(
x
)
.
QUESTION
What is the general form of the sine function?
QUESTION
State the general form of the cosine function.
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ANSWER
y
=
A
cos
(
B
(
x
−
C
)
)
+
D
y = A \, \text{cos}(B(x - C)) + D
y
=
A
cos
(
B
(
x
−
C
))
+
D
. Standard form with amplitude
A
A
A
, frequency
B
B
B
, phase shift
C
C
C
, and vertical shift
D
D
D
.
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