Trigonometry - Texas Instruments TI-34 II Explorer Plus User Manual

Trigonometry

Keys
The numbered paragraph provides an
explanation for the corresponding numbered
key on the illustration below.
1. % B displays a menu of all
trigonometric functions (sin, sin
-1 -1
cos , tan, tan ).
sin calculates the sine.
-1
sin calculates the inverse sine.
cos calculates the cosine.
-1
cos calculates the inverse cosine.
tan calculates the tangent.
-1
tan calculates the inverse tangent.
1
© 1999 T I
EXAS NSTRUMENTS
-1
, cos,
I
NCORPORATED
Notes
The examples on the transparency
masters assume all default settings.
Before starting a trigonometric
calculation, be sure to select the
appropriate angle-unit setting (degree or
radian—See Activity 16, Angle Settings
and Conversions ). The calculator
interprets values according to the
current angle-unit setting.
E ends a trig function.
TI-34 Û: A Guide for Teachers
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