[Tex/LaTex] how to write tan inverse function


I want to write tan inverse function in my latex. I need to write tan inverse as it is and not as arctan. what is the code for that? I need to write an equation theta = tan inverse (x/y).

Best Answer

With amsmath, add \DeclareMathOperator{\taninv}{tan\,inverse} in the preamble and in the text use \taninv.

Example code:






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I've never seen such a notation. However, if you later want to stick to more common notation, it's sufficient you change the line into



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