# Use the properties of inverse functions to find the exact value of the expression

Arctan(tan(5pi/3))

add a comment

Use the properties of inverse functions to find the exact value of the expression

Arctan(tan(5pi/3))

add a comment

0

```
sage: arctan(tan(pi/5)).simplify()
1/5*pi
```

Asked: **
2012-02-23 13:18:13 -0500
**

Seen: **528 times**

Last updated: **Feb 23 '12**

Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.