Texas Instruments TI-34 II Explorer Plus User Manual page 102

Tangent
Use this formula to find the
distance from the lighthouse to
the boat. Round your answer to
the nearest whole number, and
then return to floating decimal
mode.
D = 78/TAN 27
Press
78 W %
!! 27 E
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EXAS NSTRUMENTS
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TI-34 Û: A Guide for Teachers
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