Documentation/How Tos/Calc: IMCOS function

CALC FUNCTIONS

Complex Number Functions

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FUNCTIONS

• Complex
• Imabs
• Imaginary
• Imargument
• Imconjugate
• Imcos
• Imcosh
• Imcsc
• Imcsch
• Imcot
• Imdiv
• Imexp
• Imln
• Imlog10
• Imlog2
• Impower
• Improduct
• Imreal
• Imsec
• Imsech
• Imsin
• Imsinh
• Imsqrt
• Imsub
• Imsum
• Imtan

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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.

Issues:

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

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See Also

• IMSIN

• Complex Number functions

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• Functions listed by category