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COORDINATE CONVERSIONS
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 for t
he positive x
-
axis.
Before converting, press
and then choose degrees,
radians, or grads. Use your EL
-
W516B to find the corresponding point on
the circle.
1.
While in degrees convert the rectangular coordinates (2,2) to polar
coordinates
)
,
(
r
.
______
__________
r
______
__________
2.
While in radians convert the rectangular coordinates
)
3
,
3
2
(
to polar
coordinates
)
,
(
r
.
______
__________
r
______
__________
3.
While in degrees convert the polar coordinates
)
5
3
,
4
(
to rectangular
coordinates
)
,
(
y
x
.
______
__________
x
______
__________
y
4.
While in degrees convert the polar coordinates (1,1.5
) to rectangular
coordinates
)
,
(
y
x
.
______
__________
x
______
__________
y
5.
While in grads convert the rectangular coordinates
)
1
,
1
(
to polar
coordinates
)
,
(
r
.
______
__________
r
______
__________
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