Arctan in LaTeX

The LaTeX command for arctan is \arctan.

\arctan

Operators · no package needed

How to type Arctan

Write \arctan inside math mode — that is, between $…$ for inline math or in a \[ … \] / equation block for display math. It is part of core LaTeX math, so no extra package is required.

Example

$\arctan_{i=1}^{n} x_i$

\arctan_{i=1}^{n} x_i

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FAQ

How do you write arctan (arctan) in LaTeX?

Use \arctan in math mode — it needs no extra package. For example, $\arctan_{i=1}^{n} x_i$.

Which package provides \arctan?

None — \arctan is built into LaTeX's math mode, so no extra package is required.

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