To
convert
between
rectangular
coordinates
(x, y)
and
polar
coordinates
(r, 0):
1. First enter the coordinates (in rectangular form or polar form)
that you want to convert. The order is y I
enter
Ix or
61
enter
Ir.
2.
Press
(ICp^REcTI.
3. Execute the conversion you want: {y,x+8,r }
(rectangular
to po
lar)
or {Q,r+ytx}
(polar
to
rectangular).
The converted
coordinates occupy the X-
and
Y-registers.
4.
The resulting display shows either r (polar result) or x (rectangu-
|
x*y
|
to
see
0
or
y.
/ X
Y
y
6
X x
r
Q,r*y,x
/
Example:
Polar
to
Rectangular
Conversion.
Find x
and
y in the
right triangle on the left. Findr and 0in the right triangle on the right.
4:
Real-Number
Functions
61
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