Texas Instruments TI-73 Explorer Manual Book page 219

³
In Angle mode, calculate tan
Degree
1. Select the
mode.
. # # b
2. Return to the Home screen,
and clear it, if desired.
- l :
3. Enter
tan
- u
E b
1
4. Using the result, enter
.
tan(45)
- u
4 5
³ In Radian mode, calculate cos(p/4).
1. Select the
mode.
. # # " b
2. Return to the Home screen,
and clear it, if desired.
- l :
3. Enter
cos(p/4)
- u
- „ F
Angle
Degree
.
-1
(1)
6
5
E b
Angle
Radian
.
3
E b
4
Chapter 11: Trigonometry
- 1
(1). Check your answer.
213
This confirms the
previous result.