Texas Instruments TI-73 EXPLORER - Manual (Page 221)

Chapter 11: Trigonometry
215
7311ENG.DOC CH 11 Trigonometry, English Julie Hewlett Revised: 05/26/98 11:12 AM Printed: 05/19/99 9:02
AM Page 215 of 12
6. Use the table to check your
result. Set
TblStart=90
,
@ Tbl=60
,
Indpnt=Auto
and
Depend=Auto
.
- f
9 0
#
6 0
- i
$ or # , as necessary
The - u ANGLE Menu
The
ANGLE
menu lets you specify the unit (degrees, radians, or
DMS) of an angle, and it lets you convert an angle from one
unit to another.
- u "
1:
¡ Designates an angle as degrees, regardless of the
current Angle mode setting or DMS notation.
2:'
In DMS (degrees¡ minutes
'
seconds
"
) notation,
specifies the minutes.
3:"
In DMS (degrees¡ minutes
'
seconds
"
) notation,
specifies the seconds.
4:r
Specifies an angle as radians, regardless of the
current Angle mode setting.
5: 8 DMS
Converts an angle to DMS (degrees¡ minutes
'
seconds
"
) notation.
From these two screens, you
know that tan(X) is undefined at
X= M 270, M 90, 90, 270, 450.