Coordinate Conversions; Calculator Activity - Sharp EL-W516B Operation Manual

OBJECTIVE: To convert from polar coordinates to rectangular coordinates and vice
versa.
A point on a circle can be described with rectangular coordinates
polar coordinates
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 pressing
STEP 2: Enter 1,1 by pressing
STEP 3: Convert to polar coordinates by pressing
2. While in radians convert the polar coordinates of
rectangular coordinates.
STEP 1: Set the angular units to radians by pressing
STEP 2: Enter
STEP 3: Convert to rectangular coordinates by pressing

Calculator Activity

COORDINATE CONVERSIONS

, ( 
r )
, where
.
.
2 , 2 60
by pressing
.
r
is the radius of the circle and
.
24
( y x , )

is the
( 

r , )
.
2 ( , 2 60 )
to
.
or