Modeling Periodic Phenomena with Trigonometric Functions
Geometry · Flashcards · Application
GEOMETRY · FLASHCARDS
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QUESTION
What is the amplitude of a periodic model with max
12
12
12
and min
−
4
-4
−
4
?
QUESTION
What is the value of
B
B
B
if
y
=
A
sin
(
B
x
)
+
D
y = A\sin(Bx)+D
y
=
A
sin
(
B
x
)
+
D
has period
π
\pi
π
?
QUESTION
Identify
A
A
A
,
B
B
B
, and
D
D
D
for
y
=
−
3
cos
(
π
2
x
)
+
4
y = -3\cos(\frac{\pi}{2}x)+4
y
=
−
3
cos
(
2
π
x
)
+
4
.
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ANSWER
A
=
−
3
,
B
=
π
2
,
D
=
4
A=-3,\ B=\frac{\pi}{2},\ D=4
A
=
−
3
,
B
=
2
π
,
D
=
4
. Direct identification of parameters from standard form.
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