Difference between revisions of "Manuals/calci/IMCOS"
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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. | ||
| − | * | + | *[[Manuals/calci/COMPLEX| COMPLEX]] is the function used to convert Real & Imaginary numbers in to a complex number. |
*<math>cos(x+iy)</math> is defined by <math>cos(x+iy)=cos(x)cosh(y)-isin(x)sinh(y)</math> | *<math>cos(x+iy)</math> is defined by <math>cos(x+iy)=cos(x)cosh(y)-isin(x)sinh(y)</math> | ||
Revision as of 03:01, 7 November 2013
IMCOS(iz)
- where 'iz' is the complex number
Description
- This function gives the cos value of 'iz'.
- Where iz is the complex number in the form of
- x & y are the real number
- 'i' is the imaginary unit
- 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.
- is defined by
is defined by 
Examples
IMCOS(iz)
- iz is the complex number.
| IMCOS(iz) | Value |
| IMCOS("2+3i") | -4.189-i9.109 |
| IMCOS("2-3i") | 4.189-i9.109 |
| IMCOS("2") | 0.4161468 |
See Also