Texas Instruments TI-34 II Explorer Plus User Manual page 105

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
œ
% """
453 W 500
E <
ª
% ""
<
ª
% 8
© 1999 T I
EXAS NSTRUMENTS
Display
cos (453÷50 ¹
-1
25.04169519
F0123456789
-
cos (453÷50¹ º
-1
FIX
cos (453÷50¹ º
-1
25.04169519
I
NCORPORATED
25.0
TI-34 Û: A Guide for Teachers
%œ
99