Texas Instruments TI-30XIIS Teachers Guide - Page 90
Inverse Tangent
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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 %Ÿ Press Display %Ÿ 600W 2500 E < %© " " tan-1 (600/25 & ' 13.49573328 DEG F 0 -1 2 3 4 5 6 7 8 9 < DEG tan-1 (600/25 & ' 13.5 FIX DEG %© 8 tan-1 (600/25 & ' 13.49573328 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 83
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: 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
<
ta
ta
n
-1
-1
(600/25
(600/25
&
'
13.49573328
13.49573328
DEG
%
©
"
"
F 0 1 2 3 4 5 6 7 8 9
F 0 1 2 3 4 5 6 7 8 9
-
DEG
<
ta
ta
n
-1
-1
(600/25
(600/25
&
'
13.5
13.5
FIX
DEG
%
©
8
ta
ta
n
-1
-1
(600/25
(600/25
&
'
13.49573328
13.49573328
DEG
Inverse Tangent