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Calculator Activity
COORDINATE CONVERSIONS
OBJECTIVE:
To convert from polar coordinates to rectangular coordinates and vice
versa.
A point on a circle can be described with rectangular coordinates
)
,
(
y
x
or
polar coordinates
)
,
(
r
, where
r
is the radius of the circle and
is the
angle counterclockwise from the positive x
-
axis.
1.
While in degrees convert the rectangular coordinates (1,1) to polar
coordinates.
STEP 1: Set the angular units to degrees by pres
sing
.
STEP 2: Enter 1,1 by pressing
.
STEP 3: Convert to polar coordinates by pressing
.
2.
While in radians convert the polar coordinates of
)
60
,
2
2
(
to
rectangular coordinates.
STEP 1: Set the angular units to radians by pres
sing
.
STEP 2: Enter
60
,
2
2
by pressing
.
STEP 3: Convert to rectangular coordinates by pressing
.
)
,
(
r
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