Texas Instruments TI-30X - IIS Scientific Calculator Teachers Manual page 87

Inverse Tangent
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
Ÿ
% 600 W
2500 E <
©
% " "
<
©
%
8
© 1999 T I I
EXAS NSTRUMENTS NCORPORATED
Display
-1
tan (600/25
13.49573328
DEG
F 0 1 2 3 4 5 6 7 8 9
-
DEG
-1 (600/25 ¹
tan
13.5
FIX DEG
-1 (600/25 ¹
tan
13.49573328
DEG
¹
TI-30X ÙS: A Guide For Teachers
Ÿ
%
83