User manual

© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: A Guide for Teachers
85
Use this formula to find the angle of
the ski jump. Round your answer to
the nearest tenth, and then return
to floating decimal mode.
COS x = 453/500
%

Press Display
%

453 W
500 E <
coscos
-1 -1
(453/50 (453/50
&
'
25.0416951925.04169519
DEG
%
©
" "
F 0 1 2 3 4 5 6 7 8 9F 0 1 2 3 4 5 6 7 8 9
--
DEG
<
coscos
-1 -1
(453/50 (453/50
&
'
25.025.0
DEG
%
©
8
coscos
-1 -1
(453/50 (453/50
&
'
25.0416951925.04169519
DEG
Inverse Cosine