![Why is the TI 89 evaluating arcTan incorrectly?(how can I get the answer in degrees) : r/calculators Why is the TI 89 evaluating arcTan incorrectly?(how can I get the answer in degrees) : r/calculators](https://preview.redd.it/ly1t3rtbjg141.jpg?width=640&crop=smart&auto=webp&s=d7c44e8ccde795673603d6e3d5aa9a2325f95417)
Why is the TI 89 evaluating arcTan incorrectly?(how can I get the answer in degrees) : r/calculators
![Solution 34422: Calculating Inverse Sine (Arcsine), Cosine (Arccosine), and Tangent (Arctangent) Using the TI-84 Plus C Silver Edition Graphing Calculator. Solution 34422: Calculating Inverse Sine (Arcsine), Cosine (Arccosine), and Tangent (Arctangent) Using the TI-84 Plus C Silver Edition Graphing Calculator.](https://education.ti.com/images/kbase/c34422ss2.jpg)
Solution 34422: Calculating Inverse Sine (Arcsine), Cosine (Arccosine), and Tangent (Arctangent) Using the TI-84 Plus C Silver Edition Graphing Calculator.
![Solution 34422: Calculating Inverse Sine (Arcsine), Cosine (Arccosine), and Tangent (Arctangent) Using the TI-84 Plus C Silver Edition Graphing Calculator. Solution 34422: Calculating Inverse Sine (Arcsine), Cosine (Arccosine), and Tangent (Arctangent) Using the TI-84 Plus C Silver Edition Graphing Calculator.](https://education.ti.com/images/kbase/c34422ss1.jpg)