User Manual

© 2006 TEXAS INSTRUMENTS INCORPORATED TI-30XS MultiView: A Guide For Teachers 127
Use this formula to find the angle of
the ski jump,
x
. Round your answer to
the nearest tenth, and then return
to floating decimal mode.
x = COS
-1
The angle of the ski jump is
x
=25.0Ä
rounded to the nearest tenth.
Press Display
%[ 453
q 500 "
E <
p$ $ "
"<
-<
p$ $
<-<
453
500
----------
Inverse cosine
%[