# arctan(cot(2pi/3))

find an exact value for arctan(cot 2pi/3)

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arctan(cot(2pi/3))

find an exact value for arctan(cot 2pi/3)

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0

```
sage: simplify(arctan(cot (2*pi/3)))
```

Asked: **
2013-03-30 07:54:38 -0500
**

Seen: **341 times**

Last updated: **Mar 30 '13**

Calculus graphing. Urgent help appreciated! [closed]

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