Texas Instruments TI-34 II Explorer Plus - Page 105

© 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