Texas Instruments TI-30X IIS User Manual page 90

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 <
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% " "
<
©
% 8
© 1999 T I
EXAS NSTRUMENTS
Display
ta tan n (600/25 (600/25
-1 -1
13.49573328 13.49573328
F 0 1 2 3 4 5 6 7 8 9 F 0 1 2 3 4 5 6 7 8 9
- -
ta tan n (600/25 (600/25
-1 -1
FIX
ta tan n (600/25 (600/25
-1 -1
13.49573328 13.49573328
I
NCORPORATED
& '
DEG
DEG
& '
13.5 13.5
DEG
& '
DEG
TI-30X ÙS: A Guide for Teachers
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