Hermann's Formula

Author

Eric W. Weisstein
April 20, 2006

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Trigonometry/HermannsFormula.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/HermannsFormula.html.

©2006 Wolfram Research, Inc. except for portions noted otherwise

Formula

Simplify[2ArcCot[2]-ArcCot[7]]

FullSimplify[2ArcCot[2]-ArcCot[7]]