Formula:254

Digital Library of Mathematical Functions ID 1.9.E10

${\displaystyle{\displaystyle e^{i\theta}=\cos\theta+i\sin\theta;}}$

Symbols List

• ${\displaystyle{\displaystyle\cos\NVar{z}}}$: cosine function
• ${\displaystyle{\displaystyle\mathrm{e}}}$: base of natural logarithm
• ${\displaystyle{\displaystyle\mathrm{i}}}$: imaginary unit
• ${\displaystyle{\displaystyle\sin\NVar{z}}}$: sine function
• ${\displaystyle{\displaystyle\theta}}$: angle
 

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