Changes

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

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

*Also x is  called the real part & y is the imaginary patr of a complex number.

*Also x is  called the real part & y is the imaginary patr of a complex number.

*'COMPLEX' is the function used to convert real& imaginary numbers in to a complex number.

*'COMPLEX' is the function used to convert Real & Imaginary numbers in to a complex number.

*cos(x+iy) is defined by cos(x+iy)=cos(x)cosh(y)-isin(x)sinh(y)

*<math>cos(x+iy)<math> is defined by <math>cos(x+iy)=cos(x)cosh(y)-isin(x)sinh(y)<math>

== Examples ==

== Examples ==