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Returns the hyperbolic cosine of a complex number. The hyperbolic cosine of a complex number can be expressed by:

The result is presented in the string format and has the character "i" or "j" as an imaginary unit.

This function is part of the Open Document Format for Office Applications (OpenDocument) standard Version 1.2. (ISO/IEC 26300:2-2015)

See funktsioon on saadaval alates LibreOffice 3.6-st.

#### Süntaks

IMCOS("kompleksarv")

Complex_number is a complex number whose hyperbolic cosine is to be calculated.

A complex number is a string expression resulting in the form "a+bi" or "a+bj", where a and b are numbers.
[text/scalc/01/ful_func.xhp#func_im_real_numb not found].

[text/scalc/01/ful_func.xhp#func_im_return_text not found].
If the result is a complex number with one of its parts (a or b) equal to zero, that part is not displayed.

#### Näited

=IMCOSH("4-3i")
returns -27.0349456030742-3.85115333481178i.

=IMCOSH(2)
returns 3.76219569108363 as a string. The imaginary part is equal to zero, so it is not displayed in the result.

Sarnased teemad

[text/scalc/01/func_imcos.xhp#imcos_head not found]., [text/scalc/01/func_imsin.xhp#imsin_head not found]., [text/scalc/01/func_imsinh.xhp#imsinh_head not found].