Texas Instruments TI-30XS User Manual - Page 20

Rectangular to polar - - on screen calculator

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%I 6 < The result is 39 degrees, 26 minutes and 23 seconds. ³ Problem It is known that 30¡ = p / 6 radians. In the default mode, degrees, find the sine of 30¡. Then set the calculator to radian mode and calculate the sine of p / 6 radians. Note: Press - to clear the screen between problems. -> 30 E< p" g q 6 " E< Retain radian mode on the calculator and calculate the sine of 30¡. Change the calculator to degree mode and find the sine of p / 6 radians. > 30 %I

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Copyright © 2006 Texas Instruments Incorporated
20
The result is 39 degrees, 26 minutes and 23 seconds.
³
Problem
It is known that 30
¡
=
p
/ 6 radians. In the default mode,
degrees, find the sine of 30
¡
. Then set the calculator to radian
mode and calculate the sine of
p
/ 6 radians.
Note
: Press
-
to clear the screen between problems.
Retain radian mode on the calculator and calculate the sine of
30
¡
. Change the calculator to degree mode and find the sine
of
p
/ 6 radians.
Rectangular to polar
%I
%I
displays a menu to convert rectangular
coordinates (
x
,
y
) to polar coordinates (r,
q
) or vice versa. Set
Angle mode, as necessary, before starting calculations.
%I
6
<
->
30
E<
p"<-
>
g q
6
"
E<
>
30
%I
<E<
p<-
>
g q
6
"
% I
4
E
<