Texas Instruments TI-30X IIS User Manual page 92

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
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% 453 W
500 E <
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© 1999 T I
EXAS NSTRUMENTS
Display
cos cos (453/50 (453/50
-1 -1
25.04169519 25.04169519
F 0 1 2 3 4 5 6 7 8 9 F 0 1 2 3 4 5 6 7 8 9
- -
cos cos (453/50 (453/50
-1 -1
cos cos (453/50 (453/50
-1 -1
25.04169519 25.04169519
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NCORPORATED
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DEG
DEG
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25.0 25.0
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TI-30X ÙS: A Guide for Teachers
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