Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Given $cottheta=5/3$ and $90<theta<180$ , how do you find $cot (theta/2)$ ?

1 Answer

Jul 23, 2016

I am sorry, but you can't. Angles between $90°$ and $180°$ have negative cotangents.

Related questions

See all questions in Half-Angle Identities

Impact of this question

1420 views around the world

You can reuse this answer
Creative Commons License