Documentation/How Tos/Calc: IMCOS function

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IMCOS

Returns the cosine of a complex number.

This function is only available if the Analysis AddIn is installed.

Syntax:

IMCOS(complexnumber)

complexnumber is text representing a complex number, for example as a+bi or a+bj.

IMCOS returns the cosine of complexnumber, as text - that is, if complexnumber is a+bi, it returns cos(a)cosh(b)-sin(a)sinh(b)i.

Example:

IMCOS("2+3i")

returns -4.18962569096881-9.10922789375534i as text.

See also:

IMSIN

Complex Number functions

Issues:

• This function currently appears in the AddIn category of the Function Wizard.