Texas Instruments TI-30X IIS - Page 90

© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: A Guide for Teachers
83
Use this formula to find the angle of
depression. Round your answer to
the nearest tenth, and then return
to floating decimal mode.
TAN x = 600/2500
%
Ÿ
Press Display
%
Ÿ
600 W
2500 E <
tatann
-1 -1
(600/25 (600/25
&
'
13.4957332813.49573328
DEG
%
©
" "
F 0 1 2 3 4 5 6 7 8 9F 0 1 2 3 4 5 6 7 8 9
--
DEG
<
tatann
-1 -1
(600/25 (600/25
&
'
13.513.5
FIX DEG
%
©
8
tatann
-1 -1
(600/25 (600/25
&
'
13.4957332813.49573328
DEG
Inverse Tangent