Trigonometry 8 - Texas Instruments TI-30X IIS User Manual

Keys
1. @ calculates the tangent.
2. % \ calculates the inverse tangent.
3. ? calculates the cosine.
4. % [ calculates the inverse cosine.
5. > calculates the sine.
6. % Z calculates the inverse sine.
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© 1999 T I I
EXAS NSTRUMENTS NCORPORATED
Trigonometry
Notes
The examples on the transparency masters
assume all default settings.
Before starting a trigonometric
calculation, be sure to select the
appropriate angle mode setting (degree,
radian, or gradient—See Chapter 16,
Angle Settings and Conversions). The
calculator interprets values according to
the current angle-unit mode setting.
E ends a trig function.
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TI-30X ÙS: A Guide for Teachers
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