Texas Instruments TI-73 Explorer Manual Book page 215

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The - u TRIG Menu................................................... 210
Trig Functions - u 1, 3, and 5 .......................... 210
Inverse Trig Functions - u 2, 4, and 6 ............... 211
Angle Mode Settings .................................................. 211
Graphing Trig Functions ................................................... 214
The - u ANGLE Menu ............................................... 215
and r to Specify Degrees and Radians
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Using
- u " 1 and 4............................................... 216
Converting between Degrees and Radians ............... 217
Entering Angles in DMS Notation
- u " 1, 2, and 3.......................................... 218
8DMS - u " 5 .................................................. 220
Trigonometry Trigonometry