Texas Instruments solar TI-36X - Page 25

23
Ti36eng1.doc TI-36X II Manual Linda Bower Revised:
01/10/03 10:47 AM Printed: 01/10/03 10:47 AM Page 23 of
48
&
displays a menu (
DEG RAD GRD
) to express
angle measurements in degrees (default), radians, or
grads, respectively.
³
Problem
You probably know that 30
é
=
å
/6 radians. In the default
Degree Mode, find the sine of 30
é
. Then set the
calculator to Radian Mode and find the sine of
å
/6
radians.
e
30
OV
sin(30)
ß
0.5
DEG
&"V"5=
6
O
V
sin(
åñ
6)
ß
0.5
RAD
You can override the Angle Mode with the
/
key.
Keep the calculator in Radian Mode and find the sine of
30
é
. Then return the calculator to Degree Mode and
find the sine of
å
/6 radians.
e
30
/OV
sin(30
é
)
ß
0.5
RAD
&!V"N5=
6
O
/"""OV
sin((
åñ
6)
r
)
ß
0.5
DEG