Texas Instruments TI-30X Teachers Guide - Page 91
Inverse Sine
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Inverse Sine Use this formula to find the angle of the conveyor belt. Round your answer to the nearest tenth, and then return to floating decimal mode. SIN x = 13/20 % Press % 13 W 20 E < %© " " < %© 8 Display sin-1 (13/20) ¹ ' 40.54160187 DEG F 0 -1 2 3 4 5 6 7 8 9 DEG sin-1 (13/20) ¹ ' 40.5 FIX DEG sin-1 (13/20) ¹ ' 40.54160187 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 87
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide For Teachers
87
Inverse Sine
%
²
Use this formula to find the angle of
the conveyor belt. Round your
answer to the nearest tenth, and
then return to floating decimal
mode.
SIN x = 13/20
Press
Display
%
²
13
W
20
E
<
sin
-1
(13/20)
¹
’
40.54160187
DEG
%
©
"
"
F 0 1 2 3 4 5 6 7 8 9
-
DEG
<
sin
-1
(13/20)
¹
’
40.5
FIX
DEG
%
©
8
sin
-1
(13/20)
¹
’
40.54160187
DEG