Solution 12291: Performing Trigonometry Calculations on the TI-34 II Explorer Plus™.
How do I perform trigonometry calculations on the TI-34 II Explorer Plus?
To calculate sine, cosine, and tangent using the TI-34 II Explorer Plus, please follow the examples below.
Example: Sine of 30 degrees
1) Press [2nd] [TRIG]
2) Press [=] to select "sin"
3) Input 30 and press [)][=]
The answer will be displayed as .5.
Example: Cosine of 30 degrees
1) Press [2nd] [TRIG]
2) Arrow over to "cos" and press [=]
3) Input 30 and press [)] [=]
The answer will be displayed as .866025...
Example: Tangent of 30 degrees
1) Press [2nd] [TRIG]
2) Arrow over to "tan" and press [=]
3) Input 30 and press [)] [=]
The answer will be displayed as .57735...
Please see the TI-34 II Explorer Plus guidebook for additional information.