Formula:3438

Digital Library of Mathematical Functions ID 8.21.E18

${\displaystyle{\displaystyle f(a,z)=\mathrm{si}\left(a,z\right)\cos z-\mathrm{ci}\left(a,z\right)\sin z,}}$

Symbols List

• ${\displaystyle{\displaystyle\cos\NVar{z}}}$: cosine function
• ${\displaystyle{\displaystyle\mathrm{ci}\left(\NVar{a},\NVar{z}\right)}}$: generalized cosine integral
• ${\displaystyle{\displaystyle\mathrm{si}\left(\NVar{a},\NVar{z}\right)}}$: generalized sine integral
• ${\displaystyle{\displaystyle\sin\NVar{z}}}$: sine function
• ${\displaystyle{\displaystyle z}}$: complex variable
• ${\displaystyle{\displaystyle a}}$: parameter
 

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