Practice Activity - Sharp EL-W535B Operation Manual

NAME ___________________________________________ DATE________________
A point on a circle can be described with rectangular coordinates
polar coordinates
angle counterclockwise for the positive x-axis.
Before converting, press
or grads. Use your EL-W535B to find the corresponding point on the
circle.
1. While in degrees convert the rectangular coordinates (2,2) to polar
coordinates
2. While in radians convert the rectangular coordinates
coordinates
3. While in degrees convert the polar coordinates
coordinates
4. While in degrees convert the polar coordinates (1,1.5) to rectangular
coordinates
5. While in grads convert the rectangular coordinates
coordinates
COORDINATE CONVERSIONS
, ( 
r )
, where
( 
r , )
.

r __________ ______
( 
r , )
.

r __________ ______
( y x , )
.

x __________ ______
( y x , )
.

x __________ ______
( 
r , )
.

r __________ ______
r
is the radius of the circle and
and then choose degrees, radians,


__________


__________

y __________

y __________


__________
24
( y x , )
or

is the
______
2 ( 3 ) 3 ,
to polar
______
4 ( 3 , ) 5
to rectangular
______
______
( 1 ) 1 ,
to polar
______