© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide For Teachers
99
Polar to Rectangular
%
’
Convert the polar ordered pair
(7,30) to rectangular using the
DEG (
¡
) angle unit.
y
x
3
2
1
1
2 3
4 5
6 7
r = 7
30°
4
(x = ?, y = ?)
Press Display
%
’
"
"
¸
P' Rx P' R
y
----
DEG
<
7
%
¤
30
E
<
P' Rx(7,30)
'
6.062177826
DEG
%
’
!
¸
P' Rx P' R
y
----
DEG
<
7
%
¤
30
E
<
P' Ry(7,30)
'
3.5
DEG
The rectangular ordered pair is
6.062177826,3.5.