Texas Instruments TI-34 II Teachers Guide - Page 105
Inverse Cosine
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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 %œ Press Display %œ""" 453 W 500 E < cos-1(453÷50 ¹ 25.04169519 %ª "" F 0-1 2 3 4 5 6 7 8 9 < %ª 8 cos-1(453÷50¹ º 25.0 FIX cos-1(453÷50¹ º 25.04169519 © 1999 TEXAS INSTRUMENTS INCORPORATED TI-34 Û: A Guide for Teachers 99
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© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI
-
34
Û
: A Guide for Teachers
99
Inverse Cosine
%œ
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
%
œ
"""
453
W
500
E
<
cos
-1
(453÷50
¹
25.04169519
%
ª
""
F0123456789
-
<
cos
-1
(453÷50
¹º
25.0
FIX
%
ª
8
cos
-1
(453÷50
¹º
25.04169519