DLMF:4.21.E5

MaRDI QIDQ1895

• Label: DLMF:4.21.E5

Digital Library of Mathematical Functions ID 4.21.E5

${\displaystyle{\displaystyle\cot\left(u\pm v\right)=\frac{\pm\cot u\cot v-1}{\cot u\pm\cot v}.}}$

Symbols List

• ${\displaystyle{\displaystyle\cot\NVar{z}}}$: cotangent function
 

Resources that cite this formula

No records found.