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Engineering function

IMCOT

Returns the cotangent of a complex number.

Rarely usedDifficulty 1550 · AdvancedUsage rank #505 of 520
Practice · 2 questions →

When to use it

The cotangent of a complex number.

The shape of it

Syntax
=IMCOT(inumber)

Worked examples

  • Typical

    =IMCOT("4+3i") → 0.00490118239430447-0.999266927805902i

    A typical result.

  • Real

    =IMCOT("1") → 0.642092615934331

    A real input gives cot(1).

  • Pure imaginary

    =IMCOT("i") → -1.31303528549933i

    cot(i) is -i coth(1).

Worth knowing

  • 1/IMTAN.
  • Introduced in Excel 2013.
  • Result is text.

Where it goes wrong

  • #NUM! at zero.
  • #NAME? in Excel 2010 and earlier.

Related

CONVERTBIN2DECDEC2BINHEX2DECDEC2HEXDELTA

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