Parametric Functions Modeling Planar Motion
AP Precalculus · Flashcards · Recall
AP PRECALCULUS · FLASHCARDS
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QUESTION
What is the trajectory of
x
=
t
x = t
x
=
t
,
y
=
3
t
+
2
y = 3t + 2
y
=
3
t
+
2
?
QUESTION
What is the path of
x
=
2
cos
(
t
)
x = 2 \cos(t)
x
=
2
cos
(
t
)
,
y
=
3
sin
(
t
)
y = 3 \sin(t)
y
=
3
sin
(
t
)
?
QUESTION
What type of curve is
x
=
a
cos
(
t
)
x = a \cos(t)
x
=
a
cos
(
t
)
,
y
=
a
sin
(
t
)
y = a \sin(t)
y
=
a
sin
(
t
)
?
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ANSWER
A circle. A circle centered at origin with radius
a
a
a
.
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