Invarse Tan in Excel

[nishadul]

I have use scientific calculator of my PC as follows step by step:

1. Open Calculator of your PC
2. Select Scientific Calculator from View menu
3. Type 119/120
4. Click = button
5. Show result: 0.99166666666666666
6. Enable Inv check box
7. Click tan button
8. Show result: 44.76

We need this result in use Microsoft Excel. Pl help me how to write this calculation in excel for result 44.76

Best regards,
Nishadul
(e-mail address removed)