Contents

# Contents

## Idea

In trigonometry, the arctangent or inverse tangent is one of the basic trigonometric functions. It is the unique continuous section of the tangent function whose value at $0 \in \mathbb{R}$ is $0$, and it is an analytic function on the real line.

## References

Last revised on May 10, 2019 at 11:08:29. See the history of this page for a list of all contributions to it.