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Excel CSCH Function

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The Excel CSCH function returns the hyperbolic cosecant of an angle provided in radians.

Formula syntax



  • number: required, the angle provided in radians, the absolute value of the number must be less than 2^27.


The CSCH function returns a numeric value.


  • 1. If argument number is outside its scale (absolute value less than 2^27), the CSCH function return #NUM! error value.
  • 2. If argument number is non-numeric, the CSCH function returns #VALUE! error value.
  • 3. If argument number is zero, the CSCH function returns #DIV/0! error value.


The argument number in CSCH is an angle in radians, if the number is provided in degrees, you need to convert it to radians. There are two methods for converting degrees to radians. Method 1, multiply the angle in degrees by PI()/180. Method 2, used RADIANS function to convert degrees to radians. For example, to get the CSCH of 30 degrees, you can use one of the formulas below:

  • =CSCH(30*PI()/180)
  • =CSCH(RADIANS(30))


Excel 2013 and later versions.

Usage and Examples

To get the hyperbolic cosecant of the angel provided in radians in cell B3, please use the formula as this:


Press Enter key to get the cosecant of the angle.
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Also, you can directly use the number in the formula:


Other Functions:

  • Excel CSC Function
    The Excel CSC function returns the cosecant of an angle provided in radians.

  • Excel CHOOSEROWS Function
    The COLUMN function returns the number of column which formula appears or returns the column number of given reference

  • Excel LOOKUP Function
    LOOKUP function finds certain value in a one column or one row range, and return the corresponding value from another (one row or one column) range.

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