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# TIME

Returns the secant of a complex number. The secant 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 available since LibreOffice 3.6.

### 구문

IMSIN("ComplexNumber")

Complex_number is a complex number whose secant needs 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.
If the complex number is actually a real number (b=0), then it can be either a string expression or a number value.

The function always returns a string representing a complex number.
If the result is a complex number with one of its parts (a or b) equal to zero, that part is not displayed.

### 예

=IMSEC("4-3i")
returns -0.0652940278579471+0.0752249603027732i.

=IMSEC(2)
returns -2.40299796172238 as a string. The imaginary part is equal to zero, so it is not displayed in the result.

#### Technical information

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

관련 주제

IMSEC wiki page.

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