© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI
-
34
Û
: A Guide for Teachers
97
Inverse Tangent
%œ
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
Press Display
%
œ
!
600
W
2500
E
<
tan
-1
(600÷25
¹
13.49573328
%
ª
"
"
F0123456789
-
<
tan
-1
(600÷25
¹º
13.5
FIX
%
ª
8
tan
-1
(600÷25
¹º
13.49573328