DLMF:4.28.E13

MaRDI QIDQ2181

• Label: DLMF:4.28.E13

Digital Library of Mathematical Functions ID 4.28.E13

${\displaystyle{\displaystyle\cot\left(iz\right)=-i\coth z.}}$

Symbols List

• ${\displaystyle{\displaystyle\cot\NVar{z}}}$: cotangent function
• ${\displaystyle{\displaystyle\coth\NVar{z}}}$: hyperbolic cotangent function
• ${\displaystyle{\displaystyle\mathrm{i}}}$: imaginary unit
• ${\displaystyle{\displaystyle z}}$: complex variable
 

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