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*'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 ==