Texas Instruments TI-30X Teachers Guide - Page 89
Inverse Cosine
 |
UPC - 033317198726
View all Texas Instruments TI-30X manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 89 highlights
Inverse Cosine 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 %ž Press Display ž % 453 W cos-1 (453/50¹ 25.04169519 500 E < DEG %© " " F 0 -1 2 3 4 5 6 7 8 9 DEG < cos-1 (453/50¹ ' 25.0 FIX DEG %© 8 cos-1 (453/50¹ ' 25.04169519 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 85
-
1 -
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
-
48
-
49
-
50
-
51
-
52
-
53
-
54
-
55
-
56
-
57
-
58
-
59
-
60
-
61
-
62
-
63
-
64
-
65
-
66
-
67
-
68
-
69
-
70
-
71
-
72
-
73
-
74
-
75
-
76
-
77
-
78
-
79
-
80
-
81
-
82
-
83
-
84 -
85 -
86 -
87 -
88 -
89 -
90 -
91 -
92 -
93 -
94 -
95
-
96
-
97
-
98
-
99
-
100
-
101
-
102
-
103
-
104
-
105
-
106
-
107
-
108
-
109
-
110
-
111
-
112
-
113
-
114
 |
 |
© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide For Teachers
85
Inverse Cosine
%
±
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
<
cos
-1
(453/50
¹
25.04169519
DEG
%
©
"
"
F 0 1 2 3 4 5 6 7 8 9
-
DEG
<
cos
-1
(453/50
¹
’
25.0
FIX
DEG
%
©
8
cos
-1
(453/50
¹
’
25.04169519
DEG