Texas Instruments TI-30X Teachers Guide - Page 86
Tangent
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Tangent Use this formula to find the distance from the lighthouse to the boat. Round your answer to the nearest whole number, and then return to floating decimal mode. D = 78/TAN 27 Press 78 W @ 27 E < %© " < %© 8 Display 78/tan (27) ' 153.0836194 DEG F 0- 1 2 3 4 5 6 7 8 9 DEG 78/tan (27) ' 153. FIX DEG 78/tan (27) ' 153.0836194 DEG @ © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide For Teachers 82
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© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide For Teachers
82
Tangent
@
Use this formula to find the
distance from the lighthouse to the
boat. Round your answer to the
nearest whole number, and then
return to floating decimal mode.
Press
Display
78
W
@
27
E
<
78/tan (27)
’
153.0836194
DEG
%
©
"
F 0 1 2 3 4 5 6 7 8 9
-
DEG
<
78/tan (27)
’
153.
FIX
DEG
%
©
8
78/tan (27)
’
153.0836194
DEG
D = 78/TAN 27