Sinusoidal Function Context and Data Modeling
AP Precalculus · Flashcards
AP PRECALCULUS · FLASHCARDS
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QUESTION
Calculate the phase shift for
y
=
sin
(
x
+
π
3
)
y = \text{sin}(x + \frac{\text{π}}{3})
y
=
sin
(
x
+
3
π
)
.
QUESTION
State the phase shift of the function
y
=
sin
(
3
x
−
π
)
y = \text{sin}(3x - \text{π})
y
=
sin
(
3
x
−
π
)
.
QUESTION
What is the frequency of
y
=
6
cos
(
7
x
)
y = 6 \cos(7x)
y
=
6
cos
(
7
x
)
?
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ANSWER
Frequency =
7
2
π
\frac{7}{2\pi}
2
π
7
. Frequency =
B
2
π
\frac{B}{2\pi}
2
π
B
where B=7.
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