Changes

<div style="font-size:30px">'''IMCOS(iz)'''</div><br/>

<div style="font-size:30px">'''IMCOS (ComplexNumber)'''</div><br/>

* where 'iz' is the complex number

* where 'ComplexNumber' is any complex number.

**IMCOS(), returns the cosine of a complex number.

 

==Description==

==Description==

*This function gives the cos value of 'iz'.  

*This function gives the cos value of a complex Number.  

*Where iz is the complex number in the form of <math>x+iy</math>  

*Let iz is the complex number in the form of <math>x+iy</math>  

*x & y are the real number  

*x & y are the real number  

*'i' is the imaginary unit <math>i=\sqrt{-1}</math>

*'i' is the imaginary unit <math>i=\sqrt{-1}</math>