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Engineering function

IMCOSH

Returns the hyperbolic cosine of a complex number.

Rarely usedDifficulty 1550 · AdvancedUsage rank #504 of 520
Practice · 2 questions →

When to use it

The hyperbolic cosine of a complex number.

The shape of it

Syntax
=IMCOSH(inumber)

Worked examples

  • Typical

    =IMCOSH("4+3i") → -27.0349456030742+3.85115333481178i

    A typical result.

  • Zero

    =IMCOSH("0") → 1

    At zero.

  • Real

    =IMCOSH("1") → 1.54308063481524

    A real input gives cosh(1).

Worth knowing

  • cosh(iy) = cos(y).
  • Introduced in Excel 2013.
  • Result is text.

Where it goes wrong

  • #VALUE! for invalid text.
  • #NAME? in Excel 2010 and earlier.

Related

CONVERTBIN2DECDEC2BINHEX2DECDEC2HEXDELTA

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