How to make sin-1 on a calculator that just has a plain sin button like the one on Windows 10 - Quora
![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.
Why are the cos-1 and sin-1 functions not working on my calculator? The answer always comes up as a math error and I don't know why. I'm definitely inputting everything right. -
![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)