Texas Instruments TI-34 II Teachers Guide - Page 104
Cosine
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Cosine Use this formula to find how far the base of the ladder is from the house. Round your answer to the nearest whole number, and then return to floating decimal mode. D = 5 x COS 75 %œ Press Display 5 %œ"" 75 E < %ª " 5cos(75) º 1.294095226 F 0-1 2 3 4 5 6 7 8 9 FIX < %ª 8 5cos(75) º 1. FIX 5cos(75) º 1.294095226 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers 98
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI
-
34
Û
: A Guide for Teachers
98
Cosine
%œ
Use this formula to find how far
the base of the ladder is from the
house. Round your answer to the
nearest whole number, and then
return to floating decimal mode.
D = 5 x COS 75
Press
Display
5
%
œ
""
75
E
<
5cos(75)
º
1.294095226
%
ª
"
F0123456789
-
FIX
<
5cos(75)
º
1.
FIX
%
ª
8
5cos(75)
º
1.294095226